SPEED PRO HYPEREUTECTIC PISTON AND RING KITIf you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from FM244 aluminum alloy, which contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. They're ideal for use in high performance street, bracket racing, and oval track racing and will work perfectly with normal ring end gaps. Piston Material: Hypereutectic aluminum
This kit contains H1129CPA Speed Pro Pistons and 42084CP Perfect Circle Moly Rings
Please specify size needed
Bore (in): 4.000 in.
Bore (mm): 101.600mm
Piston Style: Flat top, with no valve reliefs
Piston Material: Hypereutectic aluminum
Compression Distance (in): 1.325 in.
Wrist Pin Style: Press-fit
Pin Diameter (in): 0.943 in
Piston Ring Thickness: 1.50mm x 1.50mm x 3.00mm
Quantity: Sold as a set of 8.
Notes: DurOshield® coated skirt. Thermoshield coating on head and top groove.
