SKU: SRP206060

BRAND: SRP Pistons

Small Block Ford 351W Stroker - Flat Top Forged Piston
383 c.i., 4.030" bore, 3.750" stroke, 6.250" rod length, -5.0cc dome volume

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This piston set is forged from high silicon 4032 aluminium alloy and is able to fit Ford, TFS, GT40, Canfield, Brodix Track I, OE and Dart Windsor. This piston set does not fit Twisted Wedge, N351 or EdelBrock 7721. Features Forged Side Reliefs (FSR) that reduce weight and pistol-to-wall surface contact. Piston set accepts 1/16, 1/16, 3/16 rings. All listed compression ratios are calculated at zero deck clearance. Use the Deck Height Column as the amount to machine off the reference block height. The actual amount of milling required for your block may vary.


  • Spiro Lock: 927-042-CS
  • Straight Wall Pin: 927-2750-15-51S(130g)


  • Part #: SRP206060
  • CID: 383
  • Bore: 4.030
  • Stroke: 3.750
  • Rod Length: 6.250
  • Compression Height: 1.350
  • Compression Ratio with 54cc chamber volume: 12.5
  • Compression Ratio with 60cc chamber volume: 11.6
  • Compression Ratio with 64cc chamber volume: 11.1
  • Dome Volume: -5.0cc
  • Gram Weight: 468
  • Deck Clearance: -0.025
  • Footnote: .927 Pin Diameter, Piston set also suits 3.800" stroke with 6.250" rod length, 3.850" stroke with 6.200" rod length, 3.875" stroke with 6.200" rod length, 4.000" stroke with 6.125" rod length
  • Oversize: .030
  • Recommended Ring Set (Check Proseal listing to determine oil ring tension): S100S8-4030-5

SRP Pistons was founded in 1997 by JE Pistons, the world's largest manufacturer of forged racing pistons. The idea was simple, to create a high quality forged piston at an affordable price. Every SRP forging was created with quality, performance and affordability in mind. By designing dedicated forgings, the pistons became both lighter and stronger while machining time and scrap aluminium were drastically reduced. These factors have reduced the price of SRP Pistons and contributed to their success. Today, over 400 different piston part numbers comprise the SRP product lineup, including Chevy, Ford, Chrysler, Honda and more.

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