SRP Pistons SRP Pistons; Inverted Dome; .912 Pin Diameter ; Set of 8 Pistons; Include RingSet: S100S8-4020-5 FORD 351 SM BLOCK


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Part #: 138725
Notes: SRP Pistons
Inverted Dome
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4020-5
Your Price: $601.68
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Specs

Bore 4.02
C/D 1.6
CID 390
CID 304
Comp Ratio @ 54cc 9.1:1
Comp Ratio @ 54cc 11.3:1
Comp Ratio @ 58cc 8.6:1
Comp Ratio @ 58cc 10.8:1
Comp Ratio @ 62cc 8.3:1
Comp Ratio @ 62cc 10.4:1
Deck Clearance -0.019
Deck Clearance -0.01
Dome CC -14.5cc
Gram Weight 483
Oversize 0.02
Rod 5.956
Rod 5.09
Stroke 3.85
Stroke 3.00

This Item Also Available In

Part Number Price Notes & Specs
138726 $539.90 Notes SRP Pistons
Inverted Dome
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4030-5
Bore 4.03
C/D 1.6
CID 392
CID 306
Comp Ratio @ 54cc 9.1:1
Comp Ratio @ 54cc 11.3:1
Comp Ratio @ 58cc 10.8:1
Comp Ratio @ 58cc 8.6:1
Comp Ratio @ 62cc 8.3:1
Comp Ratio @ 62cc 10.4:1
Deck Clearance -0.01
Deck Clearance -0.019
Dome CC -14.5cc
Gram Weight 488
Oversize 0.03
Rod 5.956
Rod 5.09
Stroke 3.00
Stroke 3.85
138727 $559.37 Notes SRP Pistons
Inverted Dome
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4040-5
Bore 4.04
C/D 1.6
CID 307
CID 394
Comp Ratio @ 54cc 11.3:1
Comp Ratio @ 54cc 9.1:1
Comp Ratio @ 58cc 10.8:1
Comp Ratio @ 58cc 8.6:1
Comp Ratio @ 62cc 10.4:1
Comp Ratio @ 62cc 8.3:1
Deck Clearance -0.01
Deck Clearance -0.019
Dome CC -14.5cc
Gram Weight 496
Oversize 0.04
Rod 5.956
Rod 5.09
Stroke 3.00
Stroke 3.85
138728 $562.10 Notes SRP Pistons
Inverted Dome
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4060-5
Bore 4.06
C/D 1.6
CID 310
CID 398
Comp Ratio @ 54cc 9.2:1
Comp Ratio @ 54cc 11.3:1
Comp Ratio @ 58cc 10.8:1
Comp Ratio @ 58cc 8.8:1
Comp Ratio @ 62cc 10.4:1
Comp Ratio @ 62cc 8.4:1
Deck Clearance -0.019
Deck Clearance -0.01
Dome CC -14.5cc
Gram Weight 501
Oversize 0.06
Rod 5.09
Rod 5.956
Stroke 3.85
Stroke 3.00
138734 $498.43 Notes SRP Pistons
Flat Top
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4030-5
Bore 4.03
C/D 1.6
CID 306
CID 392
Comp Ratio @ 58cc 12.2:1
Comp Ratio @ 58cc 9.7:1
Comp Ratio @ 64cc 9:1
Comp Ratio @ 64cc 11.3:1
Comp Ratio @ 70cc 10.6:1
Comp Ratio @ 70cc 8.4:1
Deck Clearance -0.01
Deck Clearance -0.019
Dome CC -5cc
Gram Weight 513
Gram Weight 460
Oversize 0.03
Rod 5.956
Rod 5.09
Stroke 3.00
Stroke 3.85
138735 $497.52 Notes SRP Pistons
Flat Top
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4040-5
Bore 4.04
C/D 1.6
CID 307
CID 394
Comp Ratio @ 58cc 12.2:1
Comp Ratio @ 58cc 9.8:1
Comp Ratio @ 64cc 11.3:1
Comp Ratio @ 64cc 9.1:1
Comp Ratio @ 70cc 10.6:1
Comp Ratio @ 70cc 8.5:1
Deck Clearance -0.019
Deck Clearance -0.01
Dome CC -5cc
Gram Weight 518
Oversize 0.04
Rod 5.09
Rod 5.956
Stroke 3.00
Stroke 3.85
138736 $526.53 Notes SRP Pistons
Flat Top
.912 Pin Diameter
Set of 8 Pistons
Include RingSet: S100S8-4060-5
Bore 4.06
C/D 1.6
CID 310
CID 398
Comp Ratio @ 58cc 12.3:1
Comp Ratio @ 58cc 9.8:1
Comp Ratio @ 64cc 9.2:1
Comp Ratio @ 64cc 11.5:1
Comp Ratio @ 70cc 10.7:1
Comp Ratio @ 70cc 8.6:1
Deck Clearance -0.019
Deck Clearance -0.01
Dome CC -5cc
Gram Weight 523
Oversize 0.06
Rod 5.09
Rod 5.956
Stroke 3.85
Stroke 3.00

All Fitments

FORD
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1968 - 2001 302 SMALL BLOCK ALL ALL ALL ALL ALL ALL Stock Block
1969 - 1997 351 SMALL BLOCK WINDSOR ALL ALL ALL ALL ALL Stroker

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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