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SRP 271066 - SRP Professional Series Pistons With Rings

SRP 271066 - SRP Professional Series Pistons With Rings

SRP#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

    SRP 271066 - SRP Professional Series Pistons With Rings Details

    Small Block Chevy 400 23° Dome Top

  • Compression Ratio: 58cc 13.2 377/14.1 406, 64cc 12.1 377/13.0 406, 70cc 11.2 377/12.0 406

    Footnotes
  • Fits 3.480" and 3.750" Stroke
  • Oil Rail Support is Included

  • SRP 271066 - 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

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