Speed Pro / Hastings
SPEED PRO Ford 289 302 V8 Flat Top Hypereutectic Coated Pistons+Cast Rings +.030
- Regular price
- $206.93
This item is for eight (8) .030 over bore Speed Pro/Sealed Power hypereutectic, coated skirt flat top pistons and a cast piston ring set (Hastings/MAHLE) for Ford 289ci and 302ci small block V-8 engines. P/N (8) H273CP-030 + 139-030. These pistons can be used as a performance upgrade in engines originally equipped with dish top pistons.
PISTON SPECIFICATIONS
- Bore 4.030 in. (at .030 bore)
- Stroke: 2.870 in. for 289ci; 3.000 in for 302 (stock)
- Connecting Rod Length: 5.155 in for 289ci, 5.090 in. for 302ci; rods NOT included
- Piston Top Style: Flat top with 4-valve reliefs
- Piston Head Volume: +8.0cc
- Compression Distance: 1.605 in.
- Wrist Pin Diameter: .912 in.; pins included
- Wrist Pin Style: Press-fit or floating; pin clips included
- Ring Land Size: 5/64-5/64-3/16 (oil ring); rings included
- Usage: Street and mild strip; up to 75HP of nitrous
- RPM Range: Idle - 6,000
- Compression Ratio (approximate): 9.2:1 w/58cc; 8.9:1 w/60cc; 8.1:1 w/68cc