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![Hypereutectic Pistons [Big Block Chevy 454]](https://www.jegs.com/images/mini_750/800/844/844-h661cp30.jpg)
Vehicle Info NeededSEALED POWERPART NUMBER: 844-H661CP30
Hypereutectic Pistons [Big Block Chevy 454]
$29999
Ships on 09/14/2026
Lowest Price GuaranteeBig Block Chevy
- Hypereutectic Pistons
- 1970-1983 Big Block Chevy 454
- Bore: 4.280 in. (+.030 in.)
- Rod: 6.135 in.
- Flat Top w/2 Valve Reliefs
- Ring Sizes: 5/64, 5/64, 3/16 in.
- 8.45 CR w/106.9cc Heads
- Set of 8
Part TypePiston
BrandSEALED POWER
Package Height5.1
Package Width10.3
Package Length20.4
Weight16.8 PG
Part CategoryPerformance Parts
QuantitySet of 8
Part FitmentSemi Universal
Vendor Part NumberH661CP30
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
