Sealed Power

SPEED PRO Hypereutectic Coated 10cc Dome Pistons/8+CAST Rings Chevy BB 454 060

SKU H426CP 060
$263.46
SPEED PRO PISTONS

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

Product Description

SPEED PRO PISTONS

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

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