Engines and Components› Engines, Blocks and Components

GM Performance

ENGINE

$15,084.73

SKU: G03V 12624262

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The GM Performance LS9 Long Block Crate Engine (MPN 12624262) is a 6.2L (376 C.I.D.) LS-Series Gen-IV Small-Block V-8, specifically designed as a foundation for supercharged applications, capable of handling up to 12 lbs of boost. It features a forged rotating assembly, titanium connecting rods, forged aluminum pistons, rotocast aluminum cylinder heads, and a dry-sump oil pan, making it ideal for high-performance custom builds and its original application as the engine foundation for the 2009-2013 Corvette ZR1.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandGM Performance
Part NumberG03V 12624262

Videos

Chevy Performance's LSX376 - Supercharger and Turbocharger Ready!

Chevy Performance's LSX376 - Supercharger and Turbocharger Ready!
must watch before you install a lsx 454!

must watch before you install a lsx 454!

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy