Sealed Power

SPEED PRO Forged 5.3cc Dome Coated Pistons/8+CAST Rings Kit Chevy SB 327 L79 030

SKU (8) L2166AF-030 + 139-030
$428.52
SPEED PRO PISTONS

This item is for eight (8) .030-in. over bore Speed Pro (Sealed Power) forged 5.3cc domed pistons and a cast piston ring set (Hastings/MAHLE) for Chevrolet 327ci small block V-8 engines. P/N (8) L2166AF-030 + 139-030. These pistons can be used as a performance upgrade in engines originally equipped with flat top pistons.

Speed Pro forged pistons are made from extruded VMS-75 aluminum alloy that is forged under 3,000 tons of pressure to "near-net" shape. After that, they are machined to their final configuration. These pistons offer excellent strength and durability and are capable of taking the punishment that is dished out on the street and in competition.

PISTON SPECIFICATIONS

  • Bore: 4.030 in. (at .030 bore)
  • Stroke: 3.250 in. (stock)
  • Connecting Rod Length: 5.700 in. (stock); rods NOT included
  • Piston Top Style: Dome with 2-valve reliefs
  • Piston Head Volume: -5.30cc
  • Compression Height: 1.675 in.
  • Piston Material: Forged aluminum
  • Wrist Pin Diameter: .927 in.; pins included
  • Wrist Pin Style: Press-fit only
  • Ring Land Sizes: 5/64-5/64-3/16 (oil ring); rings included
  • Notes: DurOshield coated skirts
  • Usage: Street and mild strip; up to 150HP nitrous
  • RPM Range: Idle - 6,500
  • Compression Ratio (approximate): 11.21:1 w/58cc; 10.35:1 w/64cc; 9.03:1 w/76cc

Product Description

SPEED PRO PISTONS

This item is for eight (8) .030-in. over bore Speed Pro (Sealed Power) forged 5.3cc domed pistons and a cast piston ring set (Hastings/MAHLE) for Chevrolet 327ci small block V-8 engines. P/N (8) L2166AF-030 + 139-030. These pistons can be used as a performance upgrade in engines originally equipped with flat top pistons.

Speed Pro forged pistons are made from extruded VMS-75 aluminum alloy that is forged under 3,000 tons of pressure to "near-net" shape. After that, they are machined to their final configuration. These pistons offer excellent strength and durability and are capable of taking the punishment that is dished out on the street and in competition.

PISTON SPECIFICATIONS

  • Bore: 4.030 in. (at .030 bore)
  • Stroke: 3.250 in. (stock)
  • Connecting Rod Length: 5.700 in. (stock); rods NOT included
  • Piston Top Style: Dome with 2-valve reliefs
  • Piston Head Volume: -5.30cc
  • Compression Height: 1.675 in.
  • Piston Material: Forged aluminum
  • Wrist Pin Diameter: .927 in.; pins included
  • Wrist Pin Style: Press-fit only
  • Ring Land Sizes: 5/64-5/64-3/16 (oil ring); rings included
  • Notes: DurOshield coated skirts
  • Usage: Street and mild strip; up to 150HP nitrous
  • RPM Range: Idle - 6,500
  • Compression Ratio (approximate): 11.21:1 w/58cc; 10.35:1 w/64cc; 9.03:1 w/76cc

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