JE Pistons · New
JE Pistons GM LS7 - 4.1275in Bore - 1.163in CH - Flat Top FSR Single Piston (Left Side)
MPN 311903L · Store SKU jep311903L
Supplier stock checked 11/7/2026, 11:26:43 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons. Piston Single, 2618, Flat Top, 4.128 Bore, 1.163 CD, 0.927 Pin, Set of 1. JE, Chevrolet, LS7, 4.127 in. Bore, 1.163 CD, Flat Top, Left Piston
Manufacturer fitment & guides
- Chevrolet LS7
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
