Engines and Components› Pistons and Piston Rings

JE Pistons

CHEVY LS SERIES 12CC DOME 1.300 X 4

$1,284.96

SKU: J001 K447X75

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

Advanced — 4+ hours

Description

The Wiseco Piston Kit K447X75 is a set of 8 forged dome pistons designed for GM LS engines. These pistons feature a 4.075" bore, 3.622" crankshaft stroke, and 6.125" rod length. With a 1.300" compression height, they provide a 12.5:1 compression ratio with 67cc heads and 12.4:1 with 68cc heads. The kit includes 1.2mm, 1.2mm, 3.0mm piston rings and a 0.927" wrist pin.

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

BrandJE Pistons
Part NumberJ001 K447X75

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