Forged 4.080" Dish Top Piston Set, -26cc, 4.250" Stroke, 6.700" Rod1.325" Comp Height. Suit Ford FE 391 Brand: SRP Part Number: SRP271155 Description:
Our race-proven SRP design is now available for the Big Block "FE" series. Available for both stock stroke and stroker applications. Bore sizes for the 428 block are set at .025" over to allow the use of popular file-fit rings. These pistons offer thick .250" top ring lands for use with limited nitrous or boost while still offering substantial weight savings. Wrist pin diameter is .975" for part numbers designed for 6.490" OEM rods and .990" for part numbers designed for aftermarket 6.700" rods
Features:
Pin#: 975-2750-16-51S (Footnote P) or 990-2750-15-51S (Footnote E)
Double Spiro Locks (#990-042-CS)
Specifications:
Engine: BIG BLOCK FORD FE
Bore Diameter: 4.080
Compression Height: 1.325
Compression Ratio with 68cc chamber volume: 9.8
Compression Ratio with 72cc chamber volume: 9.5
Compression Ratio with 76cc chamber volume: 9.2
Piston Volume: -26
Cylinder Head: EDELBROCK 6007/08
Piston Pin Outside Diameter: 0.990
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: Dish
Ring Set: J100F8-4080-5
Express delivery and return policies
Free shipping on orders over $30
Processing time: 1-2 Days
Shipping time: 3-5 Days(According to the logistics method and delivery address)
Items can be returned or exchanged within 30 days !
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