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SRP Professional Series Pistons With Rings


SRP
SRP Professional Series Pistons With Rings

"The most advanced piston package for your engine."

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. Additionally all Professional Series pistons include a skirt coating and JE Pro Seal Premium Piston Rings at no additional charge. 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. The piston designs were created using 3D computer modeling and tested for strength using Finite Element Analysis (FEA).

Piston 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
  • Includes high performance skirt coating

    Piston Ring Features
  • Lightweight, low friction metric ring package included
  • 1.2mm top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring
  • Napier 2nd ring for improved oil control
  • Minimal filing required

    Piston Pin Features
  • High quality 2.250" pin further reduces reciprocating weight
  • Carbon steel wire locks included


  • 24 Products

    Small Block Chevy 350 23° Flat Top

    SRP 268830 - SRP Professional Series Pistons With Rings
    867-268830
    PRO SERIES 383 SBC
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.750"
  • Rod Length: 6.000"
  • Compression Distance: 1.125"
  • Dome Volume: -5cc
  • Gram Weight: 394
  • Compression Ratio: 58cc 11.9, 64cc 11.1, 70cc 10.3
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    SRP 271055 - SRP Professional Series Pistons With Rings
    867-271055
    PRO SERIES 383 SBC
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.750"
  • Rod Length: 5.700"
  • Compression Distance: 1.425"
  • Dome Volume: -5cc
  • Gram Weight: 434
  • Compression Ratio: 58cc 11.9, 64cc 11.1, 70cc 10.3
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    SRP 271056 - SRP Professional Series Pistons With Rings
    867-271056
    PRO SERIES 355 SBC
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.480"
  • Rod Length: 6.000"
  • Compression Distance: 1.260"
  • Dome Volume: -5cc
  • Gram Weight: 414
  • Compression Ratio: 58cc 11.1, 64cc 10.3, 70cc 9.7
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    SRP 271057 - SRP Professional Series Pistons With Rings
    867-271057
    PRO SERIES 355 SBC
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.480"
  • Rod Length: 5.700"
  • Compression Distance: 1.560"
  • Dome Volume: -5cc
  • Gram Weight: 452
  • Compression Ratio: 58cc 11.1, 64cc 10.3, 70cc 9.7
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    Small Block Chevy 350 23° Dome Top

    SRP 271058 - SRP Professional Series Pistons With Rings
    867-271058
    PRO SERIES 355/383 SBC
  • Dome Top
  • Bore: 4.030"
  • Stroke: 3.480" 355/3.750" 383
  • Rod Length: 6.125" 355/6.000" 383
  • Compression Distance: 1.125"
  • Dome Volume: 7cc
  • Gram Weight: 416
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    SRP 271059 - SRP Professional Series Pistons With Rings
    867-271059
    PRO SERIES 355/383 SBC
  • Dome Top
  • Bore: 4.030"
  • Stroke: 3.480" 355/3.750" 383
  • Rod Length: 6.000" 355/5.850" 383
  • Compression Distance: 1.260"
  • Dome Volume: 11cc
  • Gram Weight: 442
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    SRP 279483 - SRP Professional Series Pistons With Rings
    867-279483
    PRO SERIES 357/385 SBC
  • Dome Top
  • Bore: 4.040"
  • Stroke: 3.480" 357/3.750" 385
  • Rod Length: 6.125" 357/6.000" 385
  • Compression Distance: 1.125"
  • Dome Volume: 7cc
  • Gram Weight: 416
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    Small Block Chevy 350 23° Inverted Dome Top

    SRP 271061 - SRP Professional Series Pistons With Rings
    867-271061
    PRO SERIES 355/383 SBC
  • Inverted Dome Top
  • Bore: 4.030"
  • Stroke: 3.480" 355/3.750" 383
  • Rod Length: 6.125" 355/6.000" 383
  • Compression Distance: 1.125"
  • Dome Volume: -16cc
  • Gram Weight: 376
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    SRP 271062 - SRP Professional Series Pistons With Rings
    867-271062
    PRO SERIES 383 SBC
  • Inverted Dome Top
  • Bore: 4.030"
  • Stroke: 3.750"
  • Rod Length: 5.700"
  • Compression Distance: 1.425"
  • Dome Volume: -16cc
  • Gram Weight: 376
  • Compression Ratio: 58cc 10.4, 64cc 9.8, 70cc 9.3
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    Small Block Chevy 400 23° Flat Top

    SRP 271063 - SRP Professional Series Pistons With Rings
    867-271063
    PRO SERIES 377/434 SBC
  • Flat Top
  • Bore: 4.155"
  • Stroke: 3.480" 377/4.000" 434
  • Rod Length: 6.250" 377/6.000" 434
  • Compression Distance: 1.000"
  • Dome Volume: -5cc
  • Gram Weight: 383
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    SRP 271064 - SRP Professional Series Pistons With Rings
    867-271064
    PRO SERIES 421 SBC
  • Flat Top
  • Bore: 4.155"
  • Stroke: 3.875"
  • Rod Length: 6.000"
  • Compression Distance: 1.062"
  • Dome Volume: -5cc
  • Gram Weight: 395
  • Compression Ratio: 58cc 12.9, 64cc 12.0, 70cc 11.2
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    SRP 271065 - SRP Professional Series Pistons With Rings
    867-271065
    PRO SERIES 377/406 SBC
  • Flat Top
  • Bore: 4.155"
  • Stroke: 3.480" 377/3.750" 406
  • Rod Length: 6.125" 377/6.000" 406
  • Compression Distance: 1.125"
  • Dome Volume: -5cc
  • Gram Weight: 405
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    Small Block Chevy 400 23° Dome Top

    SRP 271066 - SRP Professional Series Pistons With Rings
    867-271066
    PRO SERIES 377/406 SBC
  • Dome Top
  • Bore: 4.155"
  • Stroke: 3.480" 377/3.750" 406
  • Rod Length: 6.125" 377/6.000" 406
  • Compression Distance: 1.125"
  • Dome Volume: 4cc
  • Gram Weight: 424
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    Small Block Chevy 400 23° Inverted Dome Top

    SRP 271067 - SRP Professional Series Pistons With Rings
    867-271067
    PRO SERIES 377/434 SBC
  • Inverted Dome Top
  • Bore: 4.155"
  • Stroke: 3.480" 377/4.000" 434
  • Rod Length: 6.250" 377/6.000" 434
  • Compression Distance: 1.000"
  • Dome Volume: -16cc
  • Gram Weight: 349
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    SRP 271068 - SRP Professional Series Pistons With Rings
    867-271068
    PRO SERIES 421 SBC
  • Inverted Dome Top
  • Bore: 4.155"
  • Stroke: 3.875" 421
  • Rod Length: 6.000" 421
  • Compression Distance: 1.062"
  • Dome Volume: -16cc
  • Gram Weight: 381
  • Compression Ratio: 58cc 11.3, 64cc 10.6, 70cc 10.0
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    SRP 271069 - SRP Professional Series Pistons With Rings
    867-271069
    PRO SERIES 377/406 SBC
  • Inverted Dome Top
  • Bore: 4.155"
  • Stroke: 3.480" 377/3.750" 406
  • Rod Length: 6.125" 377/6.000" 406
  • Compression Distance: 1.125"
  • Dome Volume: -16cc
  • Gram Weight: 391
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    Chevy LS2/LS3/LS6/L92 15° Flat Top

    SRP 279587 - SRP Professional Series Pistons With Rings
    867-279587
    PRO SERIES 416 LS2/LS3/LS6/L92
  • Flat Top
  • Bore: 4.065"
  • Stroke: 4.000"
  • Rod Length: 6.125"
  • Compression Distance: 1.115"
  • Dome Volume: -5cc
  • Gram Weight: 404
  • Compression Ratio: 64cc 11.9, 66cc 11.6, 72cc 10.9
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    SRP 279591 - SRP Professional Series Pistons With Rings
    867-279591
    PRO SERIES 370 LS2/LS3/LS6/L92
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.622"
  • Rod Length: 6.125"
  • Compression Distance: 1.315"
  • Dome Volume: -5cc
  • Gram Weight: 426
  • Compression Ratio: 64cc 10.7, 66cc 10.4, 72cc 9.8
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    Chevy LS2/LS3/LS6/L92 15° Inverted Dome Top

    SRP 271100 - SRP Professional Series Pistons With Rings
    867-271100
    PRO SERIES 403 LS2/LS3/LS6/L92
  • Inverted Dome Top
  • Bore: 4.005"
  • Stroke: 4.000"
  • Rod Length: 6.125"
  • Compression Distance: 1.115"
  • Dome Volume: -10cc
  • Gram Weight: 399
  • Compression Ratio: 64cc 11.0, 66cc 10.7, 72cc 10.1
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    SRP 271102 - SRP Professional Series Pistons With Rings
    867-271102
    PRO SERIES 408 LS2/LS3/LS6/L92
  • Inverted Dome Top
  • Bore: 4.030"
  • Stroke: 4.000"
  • Rod Length: 6.125"
  • Compression Distance: 1.115"
  • Dome Volume: -10cc
  • Gram Weight: 406
  • Compression Ratio: 64cc 11.1, 66cc 10.8, 72cc 10.2
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    Small Block Ford 302 Flat Top

    SRP 271097 - SRP Professional Series Pistons With Rings
    867-271097
    PRO SERIES 331 SBF
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.250"
  • Rod Length: 5.400"
  • Compression Distance: 1.165"
  • Dome Volume: -5cc
  • Gram Weight: 407
  • Compression Ratio: 58cc 10.4, 64cc 9.7, 70cc 9.1
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    Small Block Ford 302/351W Flat Top

    SRP 271099 - SRP Professional Series Pistons With Rings
    867-271099
    PRO SERIES 347/434 SBF
  • Flat Top
  • Bore: 4.030"
  • Stroke: 3.400" 347/4.250" 434
  • Rod Length: 5.400" 347/6.250" 434
  • Compression Distance: 1.100"
  • Dome Volume: -5cc
  • Gram Weight: 395
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    Ford Modular 4.6L/5.4L 2V Flat Top

    SRP 271106 - SRP Professional Series Pistons With Rings
    867-271106
    PRO SERIES 284 Modular 2V
  • Flat Top
  • Bore: 3.572"
  • Stroke: 3.543"
  • Rod Length: 5.933"
  • Compression Distance: 1.220"
  • Dome Volume: -3cc
  • Gram Weight: 341
  • Compression Ratio: 42cc 12.2, 46cc 11.4, 52cc 10.4
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    Ford Modular 4.6L/5.4L 2V Spherical Dish Top

    SRP 271108 - SRP Professional Series Pistons With Rings
    867-271108
    PRO SERIES 284 Modular 2V
  • Spherical Dish Top
  • Bore: 3.572"
  • Stroke: 3.543"
  • Rod Length: 5.933"
  • Compression Distance: 1.220"
  • Dome Volume: -17cc
  • Gram Weight: 349
  • Compression Ratio: 42cc 9.8, 46cc 9.3, 52cc 8.7
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    24 Products