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 (103.25mm)
• Includes oil squirters (8) for piston cooling
• No provision for active fuel management
• Rated for more than 635 horsepower

LS-Series Blocks
Origin: LS9
Part Number: 12623969
Material: Alum
Deck Height: 9.240
Bore: 4.065"
Main Bolt: 6
Cap Material: 1045 Steel
Crankshaft Jnl Dia.: Std. LS (2.56)
Oiling: Wet/Dry
Rear Main Seal: 1 pc
Max Stroke: 4.50"
Max Hp: 900
Usage: Street/Pro