SRP 400 Small Block Chevy - Dome Forged Piston (SRP142021)

SRP142021 - SBC 4.155" PISTONS +4cc DOME

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

Part Number: SRP142021

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