Sealed Power
SPEED PRO Hypereutectic Coated 10cc Dome Pistons/8+CAST Rings Chevy BB 454 060
SKU
H426CP 060
- Regular price
- $263.46
This item is for eight (8) .060 over bore Speed Pro (Sealed Power) hypereutectic 10cc dome pistons and a cast piston ring set (Hastings/MAHLE) for Chevrolet 454ci (7.4L) big block V-8 engines. P/N (8) H426CP-060 + 683-060. These pistons are Speed Pro's version of the 1971 LS6 pistons.
PISTON SPECIFICATIONS
- Bore: 4.310 in. (at .060 bore)
- Stroke: 4.000 in. (stock)
- Connecting Rod Length: 6.135 in. (stock); rods NOT included
- Piston Top Style: Dome top with 2-valve reliefs
- Piston Head Volume: -10.50cc
- Dome Height: .100 in.
- Compression Height: 1.640 in.
- Piston Material: Hypereutectic aluminum
- Wrist Pin Diameter: .989 in.; pins included
- Wrist Pin Style: Press-fit or floating; pin clips included
- Ring Land Sizes: 5/64-5/64-3/16 (oil ring); rings included
- Notes: DurOshield coated skirts
- Usage: Street and mild strip; up to 75HP nitrous
- RPM Range: Idle - 6,000
- Compression Ratio (approximate): 9.3:1 w/106.9cc; 8.6:1 w/116.9cc; 8.5:1 w/119cc