JE Pistons · New
JE Pistons 3.840 Bore Buick V6 8.75 Set of 6 Pistons
MPN 338260 · Store SKU jep338260
Supplier stock checked 11/7/2026, 8:20:45 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
JE Auto 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 Buick Grand National 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 JE, Buick, Grand National, 3.840 in. Bore, 1.850 CD, Inverted Dome/Dish, 6 Cyl. Piston Kit Pin Fit. JE Auto Pistons are engineered, forged and machined 100% in the USA Piston Set, 2618, Inv Dome/Dish, 3.840 Bore, 1.850 CD, 0.940 Pin, Set of 6.
Manufacturer fitment & guides
Check 338260 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
