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This JE Pistons four‑piston kit is a forged replacement specifically listed for the Toyota 4U‑GSE with an 86.25mm bore and +0.25mm oversize; it delivers a 10.5:1 compression ratio with a -10.5cc dome and JE's Forged Side Relief (FSR) geometry. Made in the USA from 2618 aluminum, the set includes wrist pins, locks and premium rings and is tailored for high‑demand engine applications where forged pistons are required.
JE Pistons Toyota 4U-GSE 86.25mm Bore +.25mm Oversize 10.5:1 CR -10.5cc Dome FSR Piston (Set of 4)
