JE Pistons 279670 JE Pistons Small Block Ford (20 Degree Head) 4.030 Bore / 1.600 CD / -5.00 CC - Set of 8

SRP Pro 2618, Ford, Small Block Ford, 4.030 in. Bore, 1.600 CD, Flat Top, 8 Cyl. Piston Kit

Piston Set, 2618, Flat Top, 4.030 Bore, 1.600 CD, 0.912 Pin, Set of 8.

JE Pistons SRP Pro 2618 line expands on the premium features of the SRP Pro series with the addition of extremely strong, 2618 forged aluminum material. All piston kits include gas-nitrided, carbon-steel pistons rings, pins, and locks. SRP Pro 2618 pistons maximize piston strength and maximize value, whether you?re building rowdy small block or a flame-spitting big block. As with all JE Pistons products, SRP pistons are made 100% in the USA.

Features and Benefits: Accumulator groove helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power; Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications; Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings; Low-friction skirt coating reduces wear and reduces operating noise while optimizing performance; Made 100% in the USA; Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin; Ring groove design placement proven to maintain positive seal in high-HP, boosted applications, along with stout top land thickness for improved strength

These pistons utilize our dedicated Forged Side Relief (FSR) forging that was specifically designed to increase strength.