Equip your Chevrolet LS Gen III/IV engine with unparalleled performance by choosing the JE Pistons Engine Piston Kit. This advanced kit, expertly engineered and forged in the USA from high-strength 2618 aluminum, ensures your engine will handle the demands of racing and high-performance applications. The precision design of each piston, including proprietary Forged Side Relief (FSR) features, minimizes friction and extends durability, making them ideal for maintaining optimal engine function.Perfect for both DIY enthusiasts and seasoned mechanics, these pistons are crafted to deliver superior sealing and reduced ring flutter harm. With a 4.125-inch bore and a 1.304-inch CD, this flat top piston kit is an excellent match for your LS engine, promising improved power and efficiency. Don't miss out on this opportunity to elevate your vehicle's performance. Consider pairing this kit with compatible ring sets and head gaskets for a full engine upgrade.

• Forged high-strength 2618 aluminum for exceptional durability
• 4.125-inch bore with flat top design for optimized performance
• Proprietary FSR design to minimize friction and power loss
• Skirt coating reduces friction and operating noise
• Accumulator groove enhances ring seal and consistent power
• 100% machined and forged in the USA

Bore Diameter:	4.125 in
Compression Height:	1.304 in
Engine Displacement:	387
Piston Material:	2618 Aluminum
Wrist Pin Diameter:	0.927 in
Piston Quantity:	8
Compression Ratio:	11.10:	1 / 64.00 CC Head
Piston Head Type:	Flat
Weight:	12 lbs
Dimensions:	26x12x6 in