SRP Pistons SRP Professional Pistons; Flat Top; Fits 3.480 and 3.500 Stroke; Set of 8 Pistons; Recommended RingSet: JG31F8-4040-2 CHEVROLET 350 SM BLOCK


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Part #: 279481
Notes: SRP Professional Pistons
Flat Top
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Recommended RingSet: JG31F8-4040-2
MSRP: $675.41
Your Price: $660.51
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Specs

Bore 4.04
C/D 1.56
CID 357
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 64cc 10.3:1
Comp Ratio @ 70cc 9.7:1
Dome CC -5
Gram Weight 451
Oversize 0.04
Rod 5.70
Stroke 3.48

This Item Also Available In

Part Number Price Notes & Specs
268830 $657.52 Notes SRP Professional Pistons
Flat Top
Oil Rail Support Included
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.125
CID 383
CID 355
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 58cc 11.9:1
Comp Ratio @ 64cc 11.1:1
Comp Ratio @ 64cc 10.3:1
Comp Ratio @ 70cc 10.3:1
Comp Ratio @ 70cc 9.7:1
Dome CC -5
Gram Weight 394
Oversize 0.03
Rod 6.00
Rod 6.125
Stroke 3.75
Stroke 3.48
271054 $699.87 Notes SRP Professional Pistons
Flat Top
Oil Rail Support Included
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1
CID 355
CID 408
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 58cc 12.6:1
Comp Ratio @ 64cc 11.7:1
Comp Ratio @ 64cc 10.3:1
Comp Ratio @ 70cc 9.7:1
Comp Ratio @ 70cc 11:1
Dome CC -5
Gram Weight 372
Oversize 0.03
Rod 6.25
Rod 6.00
Stroke 3.48
Stroke 4.00
271055 $607.55 Notes SRP Professional Pistons
Flat Top
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.425
CID 383
Comp Ratio @ 58cc 11.9:1
Comp Ratio @ 64cc 11.1:1
Comp Ratio @ 70cc 10.3:1
Dome CC -5
Gram Weight 434
Oversize 0.03
Rod 5.70
Stroke 3.75
271056 $661.90 Notes SRP Professional Pistons
Flat Top
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.26
CID 355
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 64cc 10.3:1
Comp Ratio @ 70cc 9.7:1
Dome CC -5
Gram Weight 414
Oversize 0.03
Rod 6.00
Stroke 3.48
271057 $589.94 Notes SRP Professional Pistons
Flat Top
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.56
CID 355
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 64cc 10.3:1
Comp Ratio @ 70cc 9.7:1
Dome CC -5
Gram Weight 452
Oversize 0.03
Rod 5.70
Stroke 3.48
271058 $635.97 Notes SRP Professional Pistons
Dome
Oil Rail Support Included
Set of 8 Pistons
Include RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.125
CID 383
CID 377
Comp Ratio @ 58cc 13.1:1
Comp Ratio @ 58cc 14.1:1
Comp Ratio @ 64cc 12.9:1
Comp Ratio @ 64cc 12:1
Comp Ratio @ 70cc 11.1:1
Comp Ratio @ 70cc 11.9:1
Dome CC 7
Gram Weight 416
Oversize 0.03
Rod 6.00
Rod 6.125
Stroke 3.75
Stroke 3.48
271059 $635.97 Notes SRP Professional Pistons
Dome
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Include RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.26
CID 355
Comp Ratio @ 58cc 14:1
Comp Ratio @ 64cc 12.7:1
Comp Ratio @ 70cc 11.7:1
Dome CC 11
Gram Weight 442
Oversize 0.03
Rod 6.00
Stroke 3.48
271060 $752.79 Notes SRP Professional Pistons
Inverted Dome
Oil Rail Support Included
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1
CID 355
CID 408
Comp Ratio @ 58cc 9.8:1
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 64cc 10.4:1
Comp Ratio @ 64cc 9.2:1
Comp Ratio @ 70cc 8.7:1
Comp Ratio @ 70cc 9.8:1
Dome CC -16
Gram Weight 338
Oversize 0.03
Rod 6.00
Rod 6.25
Stroke 3.48
Stroke 4.00
271061 $709.00 Notes SRP Professional Pistons
Inverted Dome
Oil Rail Support Included
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.125
CID 355
CID 383
Comp Ratio @ 58cc 9.8:1
Comp Ratio @ 58cc 10.4:1
Comp Ratio @ 64cc 9.2:1
Comp Ratio @ 64cc 9.8:1
Comp Ratio @ 70cc 9.3:1
Comp Ratio @ 70cc 8.7:1
Dome CC -16
Gram Weight 376
Oversize 0.03
Rod 6.125
Rod 6.00
Stroke 3.75
Stroke 3.48
271062 $712.61 Notes SRP Professional Pistons
Inverted Dome
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-2
Bore 4.03
C/D 1.425
CID 383
Comp Ratio @ 58cc 10.4:1
Comp Ratio @ 64cc 9.8:1
Comp Ratio @ 70cc 9.3:1
Dome CC -16
Gram Weight 433
Oversize 0.03
Rod 5.70
Stroke 3.75
279477 $661.65 Notes SRP Professional Pistons
Flat Top
Oil Rail Support Included
Set of 8 Pistons
Recommended RingSet: JG31F8-4040-2
Bore 4.04
C/D 1.125
CID 385
CID 357
Comp Ratio @ 58cc 11.2:1
Comp Ratio @ 58cc 11.9:1
Comp Ratio @ 64cc 11.1:1
Comp Ratio @ 64cc 10.4:1
Comp Ratio @ 70cc 9.8:1
Comp Ratio @ 70cc 10.3:1
Dome CC -5
Gram Weight 399
Oversize 0.04
Rod 6.125
Rod 6.00
Stroke 3.75
Stroke 3.48
279479 $661.65 Notes SRP Professional Pistons
Flat Top
Set of 8 Pistons
Recommended RingSet: JG31F8-4040-2
Bore 4.04
C/D 1.425
CID 385
Comp Ratio @ 58cc 11.9:1
Comp Ratio @ 64cc 11.1:1
Comp Ratio @ 70cc 10.3:1
Dome CC -5
Gram Weight 435
Oversize 0.04
Rod 5.70
Stroke 3.75
279480 $661.65 Notes SRP Professional Pistons
Flat Top
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Recommended RingSet: JG31F8-4040-2
Bore 4.04
C/D 1.26
CID 357
Comp Ratio @ 58cc 11.1:1
Comp Ratio @ 64cc 10.3:1
Comp Ratio @ 70cc 9.7:1
Dome CC -5
Gram Weight 422
Oversize 0.04
Rod 6.00
Stroke 3.48
279483 $671.93 Notes SRP Professional Pistons
Dome
Oil Rail Support Included
Set of 8 Pistons
Include RingSet: JG31F8-4040-2
Bore 4.04
C/D 1.125
CID 377
CID 385
Comp Ratio @ 58cc 13.2:1
Comp Ratio @ 58cc 14.1:1
Comp Ratio @ 64cc 12.1:1
Comp Ratio @ 64cc 12.9:1
Comp Ratio @ 70cc 11.9:1
Comp Ratio @ 70cc 11.2:1
Dome CC 7
Gram Weight 415
Oversize 0.04
Rod 6.125
Rod 6.00
Stroke 3.48
Stroke 3.75
279578 $696.13 Notes SRP Professional Pistons
Flat Top
Oil Rail Support Included
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-3
Bore 4.03
C/D 1.062
CID 395
Comp Ratio @ 58cc 12.2:1
Comp Ratio @ 64cc 11.4:1
Comp Ratio @ 70cc 10.6:1
Dome CC -5
Gram Weight 383
Oversize 0.03
Rod 6.00
Stroke 3.875
279580 $709.00 Notes SRP Professional Pistons
Inverted Dome
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-3
Bore 4.03
C/D 1.425
CID 383
Comp Ratio @ 58cc 9:1
Comp Ratio @ 64cc 8.5:1
Comp Ratio @ 70cc 8.1:1
Dome CC -31
Gram Weight 449
Oversize 0.03
Rod 5.70
Stroke 3.75
279581 $709.00 Notes SRP Professional Pistons
Inverted Dome
Fits 3.480 and 3.500 Stroke
Set of 8 Pistons
Recommended RingSet: JG31F8-4030-4
Bore 4.03
C/D 1.56
CID 355
Comp Ratio @ 58cc 9:1
Comp Ratio @ 64cc 8.5:1
Comp Ratio @ 70cc 8:1
Dome CC -24
Gram Weight 459
Oversize 0.03
Rod 5.70
Stroke 3.48

All Fitments

CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1967 - 1980 350 SMALL BLOCK GENERATION I ALL ALL ALL ALL ALL

Product Description

SRP Professional Pistons include features used in professional racing such as lightweight forged side relief (FSR) forgings, high quality wrist pins, and precision CNC machined ring grooves and skirts. In addition, every package includes JE Pro Seal Premium Piston Rings. The included ring set features a 1.2 premium steel top ring, 1.5mm Napier (hooked face) second ring and 3.0mm standard tension oil ring. Every piston is designed and manufactured in the USA at the advanced JE/SRP Pistons manufacturing center.

SRP Professional piston designs were created using 3D computer modeling and tested for strength using Finite Element Analysis (FEA). Several revisions were made to optimize the strength and weight before manufacturing began. Unlike other piston manufacturers, JE/SRP Pistons manufacture billet pistons from solid pucks of aluminum for dyno testing in actual engines prior to approving the final forging designs.

Features

  • Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength
  • Up to 20% lighter than traditional equivalent
  • High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation
  • Accumulator grooves for improved ring seal
  • Designed for normally aspirated or moderate forced induction/nitrous applications

SRP Professional Pistons are Sold in Matched set of 4, 6 or 8.

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