inc. GST

SKU: SRP148750

BRAND: SRP Pistons

350 Small Block Chevy - Inverted Dome Forged Piston
383 c.i., 4.030" bore, 3.750" stroke, 5.700" rod length, -31.0cc dome volume

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JE Pistons SRP line is proud to offer huge performance for the price. Forged from strong, 4032 aluminium alloy material, SRP pistons blend strength with affordability, offering an excellent performance bargain for performance rebuild and street/strip applications. (some applications in 2618)


  • 4032 low expansion high silicon aluminum alloy heat treated to SRP specifications
  • Ring land and crown thickness specifically engineered for mild turbo, supercharged and nitrous applications
  • Forced Pin Oiler for increased wrist pin lubrication
  • Pin fitting and double spiro locks included
  • 927-2750-150 wall wrist pin (130 grams) included
  • CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Separately)
  • Optional bearing steel pins available.


  • Bore Diameter: 4.030
  • Compression Height: 1.425
  • CompressionRatio with 58cc chamber volume: 9.0
  • Compression Ratio with 64cc chamber volume: 8.5
  • Compression Ratio with 70cc chamber volume: 8.1
  • Piston Volume: -31.0
  • Cylinder Head: CHEVROLET 23 DEG 20/30
  • Piston Pin Outside Diameter: 0.927
  • Piston Pin Length: 2.750
  • Piston Pin Material: 5115
  • Ringset Included: No
  • Top Compression Ring Thickness: 1/16"
  • Second Compression Ring Thickness: 1/16"
  • Oil Ring Thickness: 3/16"
  • Piston Material: 4032
  • Forging Type: FSR
  • Piston Avg Weight: 473
  • Pin Wall Thickness: 0.150
  • Piston Type: Dish
  • Ring Set: S100S8-4030-5

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