Sealed Power

H661CP60

Chevy BB 454 7.4 7.4L Speed Pro Hypereutectic Coated Skirt Flat Top Piston Set/8 +.060

EAN: 0087674954792

UPC: 087674954792

Hypereutectic

Bore: 4.310" (at +.060"); Piston Style: Flat head with 2-valve reliefs; Comp Distance: 1.625"
Pin Diameter: .989" (included); Press-fit only; Ring Lands: 5/64"-5/64"-3/16"
For stock 4.000" stroke crankshaft and stock 6.135" length connecting rods; DurOshield Coated Skirts
Appx Compression Ratio (w/+.030" bore): w/106.9cc chambers 8.50:1, w/109.4cc 8.36:1, w/116.9cc 7.95:1, w/119.0cc 7.84:1
1970-76 Car except Hi-Perf, 1973-83 LD Trk - Use in sets only

If 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.

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