SRP Pistons SRP Pistons; Flat Top; Set of 8 Pistons; Include RingSet: J100F8-4185-5 PONTIAC 428 BIG BLOCK


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Part #: 146508
Notes: SRP Pistons
Flat Top
Set of 8 Pistons
Include RingSet: J100F8-4185-5
MSRP: $599.32
Your Price: $599.25
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Specs

Bore 4.188
C/D 1.59
CID 440
Comp Ratio @ 72cc 11.6:1
Comp Ratio @ 80cc 11:1
Comp Ratio @ 84cc 10
Dome CC -5cc
Gram Weight 519
Oversize 0.068
Rod 6.625
Stroke 4.00

All Fitments

PONTIAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1967 - 1969 428 BIG BLOCK ALL ALL ALL ALL ALL ALL

Product Description

SRP Pistons are designed for street/strip applications utilizing many compression ratio combinations compatible with pump gas as well as moderate turbo boost and nitrous oxide. SRP Domestic Pistons are forged from 4032 low-expansion aluminum alloy for smooth and quiet operation.

*Honed Pin Bored with Single, Pressure Fed Oiler
*More Economical because of Forged Side Reliefs (reduces machining time) and Thicker Ring Lands to Accommodate a Wider Variety of Applications
*Double Spiro Locks Included
*Please Order JE ProSeal Piston Rings for your SRP Pistons

SRP Pistons are Sold as MATCHED SETS of Pistons. SRP Part # Quantity ‘1’ Will Include 6 or 8 Pistons.

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