JE Pistons · New
JE Pistons SUB 8.8:1 BILLET KIT Set of 4 Pistons
MPN 310927 · Store SKU jep310927
Supplier stock checked 11/7/2026, 9:03:37 AM 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
Sport Compact, Import and European forged pistons from JE Pistons are the result of over 75 years of industry leading experience extended to our range of premium forged pistons for Subaru STI EJ257 Engines. JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons’ performance is proven in victory lane time and time again. Equipped with the following custom level features Accumulator Groove, Pin Fit, and Skirt Coat. Sport Compact, Import and European Pistons are engineered, forged and machined 100% in the USA JE, Subaru, EJ Series, 3.917 in. Bore, 8.80:1, Inverted Dome/Dish, 4 Cyl. Piston Kit Piston Set, 2618, Inv Dome/Dish, 3.918 Bore, 1.210 CD, 0.866 Pin, Set of 4.
Manufacturer fitment & guides
Check 310927 against the manufacturer’s application information below.
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
