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460 FLAT TOP

These pistons are compatible with OEM and aftermarket standard valve location heads, they will accommodate oversized valves and long duration, wide lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings and compression height is figured for 10.300 block height. Note: SVO A, C, E and BOSS aluminum heads require custom pistons.

Includes:
Note E: Pin #990-2930-18-51S (174g) and double spiro locks (#990-042-CS)
Note F: Pin #1040-2930-18-51S (180g) and double spiro locks (#031-042-CS)

Now Available off-the-shelf for Ford Racing Super Cobra Jet aluminum cylinder heads and bigger bore sizes!
460 FLAT TOPS (15° VALVE ANGLE)
Std Bore: 4.360
Ring package designed for: 1/16, 1/16, 3/16 Rings

Tech and Installation Tips
Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
74cc 80cc 94cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
170877 545 4.390 4.500 6.700 10.300 1.350 13.8 13.0 11.4 -3.0 577 E 0.030 J10008-4390-5
170878 557 4.440 4.500 6.700 10.300 1.350 14.1 13.3 11.6 -3.0 602 E 0.080 J10008-4440-5
170877 520 4.390 4.300 6.800 10.300 1.350 13.4 12.5 11.0 -3.0 585 E 0.030 J10008-4390-5
170878 532 4.440 4.300 6.800 10.300 1.350 13.6 12.7 11.2 -3.0 602 E 0.080 J10008-4440-5
131685 466 4.390 3.850 6.605 10.300 1.770 12.0 11.3 9.9 -3.0 654 F,M 0.030 J10008-4390-5


STROKER 460 FLAT TOPS FOR TFS A460 HEADS (13° VALVE ANGLE)
Std Bore: 4.360
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
72cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
232446 520 4.390 4.300 6.605 10.300 1.545 13.2 -5.0 603 F,L 0.030 J10008-4390-5
232445 532 4.440 4.300 6.800 10.300 1.350 13.4 -5.0 577 E 0.080 J10008-4440-5


STROKER 460 FLAT TOPS FOR M-6049-SCJ HEADS (9° VALVE ANGLE)
Std Bore: 4.360
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
72cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
257665 520 4.390 4.300 6.800 10.300 1.350 13.2 -5.0 554 E,M 0.030 J100F8-4390-5
257666 532 4.440 4.300 6.800 10.300 1.350 13.4 -5.0 572 E,M 0.080 J100F8-4440-5
257667 547 4.500 4.300 6.800 10.300 1.350 13.7 -5.0 593 E,M 0.140 J100F8-4500-5

- 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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