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LT1 WET SUMP CRATE ENGINE

LT1 WET SUMP CRATE ENGINE

QUALITY PARTS.
HIGH-CALIBER BUILD.

Offer Valid 1/1/24 to 12/31/24

$250 rebate* on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine**. Rebate amount dependent on the package purchased.

QUALITY PARTS.
HIGH-CALIBER BUILD.

Offer Valid 1/1/24 to 12/31/24

$250 rebate* on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine**. Rebate amount dependent on the package purchased.

COMPLETE YOUR PERFECT BUILD

OFFER VALID 1/1/23 TO 12/31/23.

$250 rebate on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

PROPOSITION 65 WARNING.
Click for more details.

PROPOSITION 65 WARNING.
Click for more details.

LT1, Next-Gen Small-Block 

Introduced on the seventh-generation Corvette Stingray, the LT1 6.2L opened the next chapter in the long, historic legacy of the Small-Block engine.

PART NO. 19328728

WhyBuy

460 HP @6000 RPM

WhyBuy

465 LB/FT @4600 RPM

LT1 Tech Specs

  • Part Number: 19328728
  • Engine Type: Direct Injection spark-ignition Gen-V Small-Block V-8
  • Displacement (cu. in.): 376 (6.2L)
  • Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92mm)
  • Block (P/N 12619171): Cast aluminum with 6-bolt nodular iron main bearing caps
  • Crankshaft: Forged steel
  • Connecting Rods: Forged powdered metal
  • Pistons: Hypereutectic Aluminum
  • Camshaft Type (P/N 12629512): Billet steel roller
  • Valve Lift (in.): .561 intake / .531 exhaust
  • Camshaft Duration (@0.050 in.): 242° intake / 244° exhaust
  • Cylinder Heads (P/N 12620544): Aluminum, rectangular port D/I
  • Valve Size (in.): 2.130 intake / 1.590 exhaust
  • Compression Ratio: 11.5:1
  • Rocker Arms (P/N 12619829 int): Investment-cast, roller trunnion
  • Rocker Arms (P/N 12619829 exh): Investment-cast, roller trunnion
  • Rocker Arm Ratio: 1.81:1
  • Recommended Fuel: Premium pump
  • Maximum Recommended rpm: 6600
  • Reluctor Wheel: 58X
  • Balanced: Internal

Advanced Combustion

The LT1 is architecturally similar to the LS family of engines, but with a unique block casting, cylinder head design, oiling system and more. The LT1 is offered with a wet-sump or dry-sump oiling system.

TRANSMISSION OPTIONS

19368614

SUPERMATIC 4L70

FOUR-SPEED AUTOMATIC

(REMANUFACTURED)

19432682 or 19432684

SUPERMATIC 6L80-E

SIX-SPEED AUTOMATIC

(REMANUFACTURED)

19418254

8L90-E

EIGHT-SPEED AUTOMATIC

(REMANUFACTURED)

19420480

SUPERMATIC 10L90-E

TEN-SPEED AUTOMATIC

(REMANUFACTURED)

19352208

SUPER MAGNUM

SIX-SPEED MANUAL

(REMANUFACTURED)

19368614

SUPERMATIC 4L70

FOUR-SPEED AUTOMATIC

(REMANUFACTURED)

19432682 or 19432684

SUPERMATIC 6L80-E

SIX-SPEED AUTOMATIC

(REMANUFACTURED)

19418254

8L90-E

EIGHT-SPEED AUTOMATIC

(REMANUFACTURED)

19420480

SUPERMATIC 10L90-E

TEN-SPEED AUTOMATIC

(REMANUFACTURED)

19352208

SUPER MAGNUM

SIX-SPEED MANUAL

(REMANUFACTURED)

Connect & Cruise Powertrain System

Connect & Cruise Crate Powertrain Systems provide factory-matched engine-and-transmission combinations that include specially calibrated controllers and wire harnesses designed for retrofit installations in older vehicles.  

Parts and labor warranty when installed by a GM Dealer or qualified installing independent Service Center (ISC) or when sold over the counter and REPAIRED by a GM Dealer or qualifying ISC. Parts only when consumer repaired or installed in non-highway application. Coverage limited to defects in material and/or workmanship of the specific part only. Warranty valid when all required components are installed on the same vehicle and purchased on one invoice.

††Must be purchased from a participating U.S. dealer or Chevrolet Performance Authorized Reseller. Mail-in rebate offer not available with other offers. See gmpartsrebates.com for details, applicable rebate amounts, and rebate form. Rebates must be submitted by 1/31/25. Rebates may be submitted over two invoices within 120 days of each other. Allow 6 to 8 weeks for delivery of debit card. Offer valid 1/1/24 to 12/31/24.

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. Rebate form and details available at chevrolet.com/performance/offers.

Project Cars

These passion projects were brought to life with a convenient Connect & Cruise Powertrain System.

1971 CORVETTE 

The legend continues. 

This 1971 Corvette proves it’s possible to improve on perfection with the 460-hp LT1 crate engine and T56 Super Magnum 6-speed transmission.

Installation Guides

Find everything from vital data about your engine’s capabilities to how to install it into your build.

Installation Guides

Find everything from vital data about your engine’s capabilities to how to install it into your build.

Mobil 1 is now The Official Motor Oil of Chevrolet Performance.

VISIT OUR BRANDS FOR YOUR OE NEEDS

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.