LS/LT/LSX PRODUCTION CYLINDER BLOCKS
19420904
L8T GEN-V 6.6L CAST-IRON BLOCK
- Direct replacement for 2020 and later L8T 6.6L gas engines used in Silverado HD trucks
- Production cast-iron casting finished with 4.065’’ (103.25 mm) cylinder bores
- Used with a 3.86’’ stroke crankshaft in production engines to produce 400 cu in. (6.6L) displacement — the largest displacement in the LT engine family
- 9.240’’ deck height
- Delivered bare with regular-production six-bolt main caps
- Regular-production oiling circuit
- Includes provisions for direct fuel injection
12609999
GEN IV 6.0L CAST-IRON BLOCK
- Direct replacement for LY6 and L96 production engines
- Production cast-iron block
- Production oiling system
- 6-bolt iron main bearing caps
- 4.000” bore
- 9.240” deck height
- No provision for Active Fuel Management
- Supports 500+ horsepower
12602691
LS2 ALUMINUM 6.0L BARE BLOCK
- Direct replacement for 2005-2008 LS2 Corvette, SSR, GTo 6.0L, and TrailBlazer SS
- Production 319-T5 aluminum block with iron sleeves
- Production oiling system
- Forged powdered metal 6-bolt main bearing caps
- 9.240” deck height
- Use only LS1, LS6, LS2, or L92/LS3-style cylinder heads
- 4.000” finished bore (101.6 mm) Provisions for Active Fuel Management
- Great for stoker cranks for even more cubes
- Tested to 450+ horsepower
12623967
LS3/L92 ALUMINUM 6.2L BARE BLOCK
- Direct replacement for:
2009-2012 L9H
2010-2012 L94
2008-2013 LS3
2010-2013 L99
2007-2008 L92 - Production aluminum block with iron sleeves
- Production oiling system
- Use only LS1, LS6, LS2, or L92/LS3-style cylinder heads
- 4.065” finished bore (103.25 mm)
- Provisions for Active Fuel Management
- Great for stroker cranks for even more cubes
- Tested to 500+ horsepower
- Forged powdered metal 6-bolt main bearing caps
- 9.240” deck height
12673476
LSA 6.2L BARE BLOCK
- Direct replacement for 2009-2012 Cadillac CTS-V 6.2L supercharged engine and 2012 ZL1 Camaro
- Production cast-aluminum block with iron sleeves
- Production oiling system
- 6-bolt iron main bearing caps
- 9.240” deck height
- Not for use with LS7 or LSX-LS7 heads
- 4.065” finished bore (103.25mm)
- Includes oil squirters (8) for piston cooling
- No provision for Active Fuel Management
- Rated for 550+ horsepower
12623969
LS9 6.2L BARE BLOCK
- Direct replacement for 2009-2012 Corvette ZR1 6.2L supercharged engine
- Production cast-aluminum block with iron sleeves
- Deck plate-honed
- Production oiling system
- 6-bolt steel main bearing caps with dowel pins
- 9.240” deck height
- Not for use with LS7 or LSX/LS7 heads
- 4.065” finished bore (103.25 mm)
- Includes oil squirters (8) for piston cooling
- No provision for Active Fuel Management
- Rated for 635+ horsepower
19213580
LS7 7.0L CORVETTE BARE BLOCK
- Direct replacement for 2006-2014 7.0L LS7 engine
- Production 319-T5 aluminum block with pressed-in iron sleeves
- Production oiling system
- 9.240” deck height
- For use with any LS or LSX series head
- 4.125” finished bore (104.78 mm), deck plate-honed
- Siamese cylinder bores for large bore size
- No provision for Active Fuel Management
- Based on C5R block development
- Tested to 500+ horsepower
19329617
LT1/LT4 ALUMINUM 6.2L BARE BLOCK
- Direct replacement for 2014-2015 Stingray LT1
- Production aluminum block with iron sleeves
- Production oiling system
- 9.240” deck height
- Nodular iron 6-bolt main bearing caps
- Use only with LT1-style cylinder heads
- 4.065” finished bore (103.25 mm)
- Provisions for Active Fuel Management
- Provision for direct fuel injection
12480030
ALUMINUM C5R RACING BLOCK
The ultimate GM aluminum LS block, the C5R was originally designed for Chevrolet’s factory-backed Corvette Racing program. It was developed to support more than 440 cubic inches and up to 900 horsepower – and has proven itself by powering Corvette team to endurance racing wins. This is a non-production, purpose-built cylinder block manufactured with proprietary materials and machined to the highest tolerances – and using premium, racing-spec hardware. If you’re looking for the ultimate aluminum cylinder block to support your horsepower desires, the race-proven C5R is it!
- Premium “hipped” and X-rayed 356-T6M aluminum-alloy block casting
- 9.240” deck height
- Production-style oiling system
- 6-bolt dowel-located steel main bearing caps
- 4340 premium main cap fasteners
- For use with any LS or LSX series head
- Unique cylinder liner material for maximum durability
- Siamesed cylinders to support larger bores
- 4.117” finished bore
- 4.160” maximum bore
- Fully blueprinted and squared
- Production camshaft location and cam bores
- Includes premium head studs
- Anodized aluminum O-ring core plugs
- No Active Fuel Management provisions
VISIT OUR BRANDS FOR YOUR OE NEEDS
