Engines and Components Pistons and Piston Rings

JE Pistons

ACURA K20/K24 MAX DOME

$314.99

SKU: J001 345618S

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

Advanced — 4+ hours

Description

The JE Pistons Piston Single, MPN 345618S, is a forged racing piston designed for high-performance applications. It is made from 2618 material and features a dome design. This particular listing is for a single piston, with a bore of 3.425 inches (87 mm), a compression distance (CD) of 1.176 inches, and a pin diameter of 0.866 inches (22 mm). It includes the pin (part number 866-2250-15-51C), ringset (part number JG1001-3425), and retainer lock (part number 866-063-MW). Oil rail support is not included.

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 345618S

Videos

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