SRP Forged 4.125" Flat Top Piston Set, -5cc, 4.000" Stroke, 6.250" Rod (SRP231591)
SRP231591 - SBF 4.125" PISTONS -5cc FLAT
Part Number: SRP231591
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)
Features:
Fits Ford, TFS, GT40, Canfield, Brodix Track I, OE & Dart Windsor.
Does not fit Twisted Wedge®, N351 or Edlebrock 7721.
4032 low expansion high silicon aluminium alloy heat treated to SRP specifications
CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Separately)
Includes wrist pin see footnotes for diameter D=912x2750 140 wall, C=927x2750 150 wall
Specifications:
Engine: SMALL BLOCK FORD
Bore Diameter: 4.125
Compression Height: 1.230
Compression Ratio with 58cc chamber volume: 13.2
Compression Ratio with 64cc chamber volume: 12.2
Compression Ratio with 70cc chamber volume: 11.4
Piston Volume: -5
Cylinder Head: SMALL BLOCK FORD 20 DEG
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: 463
Pin Wall Thickness: 0.150
Piston Type: Flat
Ring Set: S100S8-4125-5