400 Small Block Chevy - Dome Forged Piston407 c.i., 4.155" bore, 3.750" stroke, 5.700" rod length, 4.0cc dome volumeBrand: SRPPart Number: SRP142021Description: 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
