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H625CP STD plus a moly ring set (Hastings/Perfect Circle/MAHLE) P/N H625CP-KIT - We also have other piston sizes available.
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Chevrolet 454 - 4.250" bore (at STANDARD)
Flat head with 2-valve reliefs. DurOshield skirt coated piston.
1970-76 Car (USA); Use in sets only.
1973-83 LD Truck (USA); Use in sets only.
Performance upgrade; not exact OE-duplicate.
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idle to 7000+rpm |
Good for street or race/nitrous to 150 shot |
1.640" compression distance
Approx. Compression (w/.030" bore):
w/106.9cc chambers 8.50:1
w/116.9cc 7.95:1
w/119cc 7.84:1
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5/64" 5/64" 3/16" ring grooves
.989" pin diam. - pins included
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For stock length 6.135" rods
Press-fit or floating pin
Stock 4.000" stroke
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.025" deck clr
.0015" skirt clr
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