407 c.i., 4.155" bore, 3.750" stroke, 5.700" rod length, 4.0cc dome volume

SRP142021

P142021

JE Pistons SRP line is proud to offer huge performance for the price. Forged from strong, 4032 aluminium alloy material, SRP pistons blend strength with affordability, offering an excellent performance bargain for performance rebuild and street/strip applications. (some applications in 2618) Features: CNC machined domes with radiused valve reliefs provide optimum flame travel Designed for use with most popular 23º heads Forged from Premium 2618 aluminum alloy Pin fitting and double spiro locks included 927-2750-150 wall wrist pin (130 grams) included CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Separately) Optional bearing steel pins available Specifications: Engine: SMALL BLOCK CHEVROLET Bore Diameter: 4.155 Compression Height: 1.425 Compression Ratio with 58cc chamber volume: 14.0 Compression Ratio with 64cc chamber volume: 12.9 Compression Ratio with 70cc chamber volume: 11.9 Piston Volume: +4.0 Cylinder Head: CHEVROLET 23 DEG 20/30 Piston Pin Outside Diameter: 0.927 Piston Pin Length: 2.750 Piston Pin Material: 5115 Ringset Included: No Top Compression Ring Thickness: 1/16" Second Compression Ring Thickness: 1/16" Oil Ring Thickness: 3/16" Piston Material: 2618 Forging Type: FSR Piston Avg Weight: 504 Pin Wall Thickness: 0.150 Piston Type: Dome Ring Set: S100S8-4155-5