BIG-BLOCK
BLOCKS AND
COMPONENTS

Reign supreme

When torque is king, choose factor-engineered Big-Block power from Chevrolet Performance.

PRODUCTION-BASED BLOCKS

The classic Big-Block production engine was introduced in 1965. Cylinder-block casting combines traditional Big-Block heritage and modern production techniques for 21st-century performance.

BOWTIE SPORTSMAN BLOCKS

Born from a full line of high-quality, precision-machined components based on performance-proven GM designs, a Bowtie Sportsman block packs big power and long-lasting reliability ideal for drag racers and street machines.

Bowtie Sportsman Block Technical Notes

  • Available in short-deck (9.800”) or tall-deck (10.200”) configurations
  • Blocks have clearance for 4,500” tolerance
  • CNC-machined to +/- .005” tolerance
  • Siamese cylinder bores
  • Bore finishers are ready to bore to size
  • Machined for mechanical fuel pump
  • Machined for hydraulic roller and flat tappets
  • Nodular iron 4-bolt main caps splayed 16-degrees on the three center mains
  • Priority main oiling system
  • Blocks with a 1-piece Rear Main Seal use the 6-bolt, Gen VI-style front cover (P/N 10230954) and Gen VI-style oil pan
  • Blocks with a 2-piece Rear Main Seal use the 10-bolt, Mark IV-style front cover and Mark IV-style oil pan

ZL1 ALUMINUM BIG-BLOCK

Built from premium materials and precision machined to blueprinted specifications, this fabled aluminum 427-cubic-inch Big-Block lets mere mortals experience the raw horsepower and tremendous torque of the ZL1. 

ZL1 Aluminum Block Technical Notes

  • 356- T6M Aluminum block
  • Standard deck height (9.800")
  • 4.300" maximum bore
  • 4.240" finished bore
  • 4.375" maximum stroke
  • Siamese cylinder walls
  • Centrifugally spun cast-iron cylinder sleeves
  • Steel 4-bolt main caps splayed 16° on the three center mains (dowel located)
  • Provision for hydraulic roller camshafts
  • AN O-ring oil and water plugs
  • Tested to 650 horsepower

CAST-IRON BOWTIE RACE BLOCKS

With thick deck surfaces and splayed 4-bolt steel bearing caps, a cast-iron Bowtie Race Block is the starting point for drag racers looking for custom-machined performance.

Cast-Iron Bowtie Race Block Technical Notes

  • Precision CNC-machining means +/- 0.005" tolerances
  • Blocks are available in short deck (9.800") or tall deck (10.200")
  • A sonic bore check data sheet is provided with each block
  • Siamese cylinder bores
  • Improved cooling around number-1 cylinder
  • Accepts Mark IV or Gen V, VI cylinder heads
  • Use Gen V head gaskets with Mark IV and Gen V cylinder heads
  • Use Gen VI head gaskets with Gen VI cylinder heads
  • Requires Mark IV design 2-piece rear main seal oil pans
  • Requires Mark IV design crankshafts
  • Can use Mark IV and Gen V, VI camshafts, timing sets, lifters and timing cover (aftermarket belt-drive timing covers may require clearancing)
  • Blind-tapped head bolt holes; extra inner head bolt bosses provided
  • 4-bolt SAE 8620 main caps splayed 16° on the three center mains
  • Priority main oiling wet-sump system
  • Provisions for dry-sump oil line provided
  • Honed camshaft and crankshaft bores
  • 0.842" lifter bores (maximum 1.06") may be relocated
  • Distributor gear clearance at bottom of number-8 cylinder bore should be checked
  • Machined mechanical fuel pump pad

BIG-BLOCK DRCE BLOCKS

Specifically designed with 500-cubic-inch Pro Stock engines in mind, the DRCE (Drag Racing Competition Engine) family of Big-Blocks is the foundation of many Pro Stock drag-racing engines.

DRCE Block Technical Notes

  • CNC-machined to +/- 0.005" tolerance
  • Siamese cylinder bores with 4.900" spacing
  • No lifter bosses, solid bar can be drilled as required
  • No head-bolt holes
  • Numbers two and four main bearing bulkheads moved 0.060"
  • Bellhousing bolt pattern accommodates Chevy and Pontiac/Olds transmissions
  • Uses Big-Block Chevrolet crank, camshaft, balancer, flywheel and water pump
  • Requires camshaft with distributor gear behind rear bearing
  • Priority main oiling dry-sump system
  • Dual starter mounting locations
  • Front-engine mounts only
  • Each block is supplied with sonic test data sheet

CYLINDER BLOCK COMPONENTS
  

Learn More

FRONT COVER, TIMING POINTERS, FUEL PUMP BLOCK-OFF PLATE

Learn More

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.

  • EPA estimated with 3.6L V6 engine.

  • EPA estimated with 3.6L V6 engine.

  • Cargo and load capacity limited by weight and distribution.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and iTunes are trademarks of Apple Inc., registered in the U.S. and other countries.

  • Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.

     

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.

  • Does not detect people or items. Always check rear seat before exiting.

  • Vehicle user interface is a product of Google, and its terms and privacy statements apply. Requires the Android Auto app on Google Play and an Android compatible smartphone running Android (TM) 5.0 Lollipop or higher. Data plan rates apply. Android Auto is a trademark of Google LLC.

  • Service varies with conditions and location. Requires active service and paid AT&T data plan. Visit onstar.com for details and limitations.

  • EPA-estimated MPG city/highway: Sonic Sedan with 6-speed manual transmission 27/38; with 6-speed automatic transmission 26/34; Sonic Hatchback with 6-speed manual transmission 26/35; with 6-speed automatic transmission 26/34.

  • Equipment from independent suppliers is not covered by the GM New Vehicle Limited Warranty. GM is not responsible for the safety or quality of independent supplier alterations.

  • Read the vehicle Owner's Manual for important feature limitations and information.

  • To avoid the risk of injury, never use Recovery Hooks to tow a vehicle. For more information, see the Recovery Hooks section of your Owner's Manual.

  • Read the vehicle Owner’s Manual for important feature limitations and information.

     

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    Read the vehicle Owner’s Manual for important feature limitations and information.

  • To avoid the risk of injury, never use Recovery Hooks to tow a vehicle. For more information, see the Recovery Hooks section of your Owner's Manual.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Go to my.chevrolet.com/learnAbout/bluetooth to find out which phones are compatible with the vehicle. Full Bluetooth feature functionality varies by device, model and software version.

  • Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks of Apple Inc., registered in the U.S. and other countries.

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. Requires the Android Auto app on Google Play and an Android compatible smartphone running Android™ 5.0 or higher. Data plan rates apply. Android Auto is a trademark of Google LLC.

  • Read the vehicle Owner’s Manual for important feature limitations and information.

  • Premier shown seats seven. Standard on L, LS. Available on LT.

  • Read the vehicle Owner’s Manual for important feature limitations and information.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam automatic high beams on/off, Following Distance Indicator.  Read the vehicle Owner’s Manual for more important feature limitations and information.

  • Read the vehicle Owner’s Manual for important feature limitations and information.

  • The system wirelessly charges one compatible mobile device. Some devices require an adaptor or back cover. To check for phone or other device compatibility, visit my.chevrolet.com/learn for details.

  • Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner’s Manual for more information. 

  • Read the vehicle Owner's Manual for important feature limitations and information.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices. Map Coverage available in the United States, Puerto Rico and Canada.

  • Read the vehicle Owner’s Manual for important feature limitations and information.

  • Requires available 3.6L engine and Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow

  • Requires available 3.6L engine and Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow

  • Requires available 3.6L engine and Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Chevy Safety Assist: Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, Front Pedestrian Braking, Following Distance Indicator and IntelliBeam. Read the vehicle Owner’s Manual for more important feature limitations and information.

  • Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks of Apple Inc., registered in the U.S. and other countries.

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. Requires the Android Auto app on Google Play and an Android compatible smartphone running Android 5.0 or higher. Data plan rates apply. Android, Android Auto, Google, Google Play and other marks are trademarks of Google LLC.

  • Read the vehicle Owner's Manual for important feature limitations and information.

  • Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner’s Manual for more information.  

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. Requires the Android Auto app on Google Play and an Android compatible smartphone running Android 5.0 or higher. Data plan rates apply. Android Auto is a trademark of Google LLC.

  • Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks of Apple Inc., registered in the U.S. and other countries.

  • Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See your vehicle Owner’s Manual for more information.

  • Read the vehicle Owner's Manual for important feature limitations and information.

  • Standard on Extended Cab and 2WD Crew Cab Short Box models.

  • Standard on 2WD Crew Cab Long Box and 4WD Crew Cab models.

  • Available on Extended Cab models.

  • Available on Crew Cab models.

  • Equipment from independent suppliers is not covered by the GM New Vehicle Limited Warranty. GM is not responsible for the safety or quality of independent supplier alterations.

  • Always use seat belts and child restraints.  Children are safer when properly secured in a rear seat in the appropriate child restraint.  See the Owner's Manual for more information.

  • Read the vehicles Owner's Manual for more important feature limitations and information.

  • Chevrolet Infotainment 3 System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.

  • Includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam, and Following Distance Indicator. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay, iPhone, Siri and Apple Music are trademarks of Apple Inc., registered in the U.S. and other countries.

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. Requires the Android Auto app on Google Play and a compatible AndroidTM smartphone. Data plan rates apply. You can check which smartphones are compatible at g.co/androidauto/requirements. Android Auto is a trademark of Google LLC.

  • Read the vehicle Owner's Manual for more important feature limitations and information.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Requires available Trailering Package.  Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner's Manual for important feature limitations and information.

  • Standard on all Traverse trims: Chevy Safety Assist includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam and Following Distance Indicator. Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay, iPhone, Siri and Apple Music are trademarks of Apple Inc., registered in the U.S. and other countries. 

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. Requires the Android Auto app on Google Play and a compatible Android smartphone. Data plan rates apply. You can check which smartphones are compatible at g.co/androidauto/requirements. Android, Google Play and Android Auto are trademarks of Google LLC.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Standard on all Traverse trims: Chevy Safety Assist includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam and Following Distance Indicator. Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Standard on all Traverse trims: Chevy Safety Assist includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam and Following Distance Indicator. Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Leather-appointed seating surfaces in front and second rows; third row is vinyl-covered.

  • Standard on all Traverse trims: Chevy Safety Assist includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam and Following Distance Indicator. Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Standard on all Traverse trims: Chevy Safety Assist includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam and Following Distance Indicator. Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Connected Navigation and Real-time Points of Interest (POI) only available on properly equipped vehicles. Requires paid plan or trial. Map coverage available in the United States, Puerto Rico and Canada. Visit onstar.com for details and limitations.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Standard on all Traverse trims: Chevy Safety Assist includes Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, IntelliBeam and Following Distance Indicator. Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner.  Read the vehicle Owner’s Manual for important feature limitations and information.

  • To avoid the risk of injury, never use recovery hooks to tow a vehicle. For more information, see the Recovery Hooks section of your Owner's Manual.

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.

  • Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • To avoid the risk of injury, never use recovery hooks to tow a vehicle. For more information, see the Recovery Hooks section of your Owner’s Manual.

  • The system wirelessly charges one compatible mobile device. Some phones have built-in wireless charging technology and others require a special adaptor/back cover. To check for phone or other device compatibility, see my.chevrolet.com/learn or consult your carrier

  • Vehicle user interface is a product of Google, and its terms and privacy statements apply. Requires the Android Auto app on Google Play and a compatible Android™ smartphone. Data plan rates apply. You can check which smartphones are compatible at g.co/androidauto/requirements. Android Auto is a trademark of Google LLC.

  • The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles’ destination freight charges.

  • Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See your vehicle Owner’s Manual for more information.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner's Manual for important feature limitations and information.

  • Do not use summer-only tires in winter conditions, as it would adversely affect vehicle safety, performance and durability. Use only GM-approved tire and wheel combinations. Unapproved combinations may change the vehicle’s performance characteristics. For important tire and wheel information, go to my.chevrolet.com/learnAbout/chevrolettires or see your dealer.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices.

  • Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • Chevrolet Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some devices. Connected Navigation and Real-time Points of Interest (POI) only available on properly equipped vehicles. Requires paid plan or trial. Map coverage available in the United States, Puerto Rico and Canada. Visit onstar.com for details and limitations.

  • The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles’ destination freight charge.

  • Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner.  Read the vehicle’s Owner’s Manual for important feature limitations and information. Some camera views require available accessory camera and installation.  Not compatible with all trailers.  See your dealer for details.

  • Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle’s owner’s manual for more important feature limitations and information.

  • Standard on Extended Cab and 2WD Crew Cab Short Box models.

  • Standard on 2WD Crew Cab Long Box and 4WD Crew Cab models.

  • Available on Extended Cab models.

  • Available on Crew Cab models.

  • The Manufacturer’s Suggested Retail Price includes destination freight charge. Tax, title, license, dealer fees and optional equipment not included.

  • Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. Read the vehicle Owner's Manual for important feature limitations and information.

  • Connected navigation and real-time points of interest only available on properly equipped vehicles. Device data connection required. Map coverage available in the U.S., Puerto Rico and Canada. See onstar.com for details and limitations

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.