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454 Chevrolet 7.4L Hypereutectic Pistons and Rings (3474HC+40203CP)

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Summary

EnginePartsCenters is your number one source for all engine rebuilding and engine restoration needs!

CHEVROLET 7.4L PISTON+RING KIT

Silvolite Hypereutectic Dome Pistons PLUS Moly Rings for Chevrolet 454

Piston Part
Number

Application Power Range Special requirements
Compression information

Ring groove size

Pin diameter

Rod length

Stroke

Deck clearance

Skirt clearance

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

Chevrolet 454 - 4.310" bore (at +.060")

Domed head .340" high (30cc) w/2-valve reliefs. DurOshield skirt coated piston.

1970-76 Car (USA)
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

5/64" 5/64" 3/16" ring grooves

.989" pin diam. - pins included

for stock length 6.135" rods

Press-fit or floating

Stock 4.000" stroke

.025" deck clr

.0015" skirt clr

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