JE Pistons Toyota 4U-GSE FSR Piston 86.00mm Bore STD 12.5:1 CR -1.0cc (Set of 4)

Built for high-performance Toyota 4U-GSE applications, these forged FSR pistons deliver durable, track-proven strength and precision machining for racing and sport-compact builds. JE Pistons applies over 75 years of forging expertise to produce pistons engineered and machined in the USA, optimized for an 86.00mm bore with STD sizing, a 12.5:1 compression ratio and a -1.0cc deck volume — supplied as a matched set of four for balanced engine assembly and consistent performance under load.

Features:

• Bore 86.00mm standard (STD)
• Compression ratio 12.5:1
• Deck volume -1.0cc
• Forged 100% in the USA
• Machined for race and high-performance use
• Application Toyota 4U-GSE engines

Contents:

• 4 JE Pistons FSR pistons (-1.0cc)