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3474HC plus moly piston ring set 40203CP
Compression
ratios at .060 oversize
- We also have other piston sizes available.
We reserve the right to upgrade to Speed Pro
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Chevrolet 454 - 4.310" bore (at +.060")
Domed head .340" high (30cc) w/2-valve reliefs. DurOshield skirt coated piston.
1970-76 Car (USA)
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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 heads 11.46:1
w/116.9cc 10.41:1
w/119cc 10.22:1
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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
Stock 4.000" stroke
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.025" deck clr
.0015" skirt clr
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