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390/428 "FE" Inverted Dome

For the first time ever, our race-proven SRP design is available for the Big Block Ford "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 (see footnotes).

Includes: Pin#: 975-2750-16-51S (Footnote P) or 990-2750-15-51S (Footnote E)
Double Spiro Locks (#990-042-CS)
390/428 FE INVERTED DOME SERIES
Std Bore: 4.050 (390), 4.130 (428)
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
68cc 72cc 76cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
271155 445 4.080 4.250 6.700 10.150 1.325 9.8 9.5 9.2 -26cc 463 E, M 0.030 J100F8-4080-5
271156 461 4.155 4.250 6.700 10.150 1.325 10.0 9.6 9.3 -28cc 468 E, M 0.025 S100S8-4155-5
271151 416 4.080 3.980 6.490 10.150 1.670 9.8 9.4 9.1 -20cc 519 P, M 0.030 J100F8-4080-5
271152 432 4.155 3.980 6.490 10.150 1.670 9.9 9.5 9.2 -22cc 518 P, M 0.025 S100S8-4155-5

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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