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!
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460 FLAT TOPS (15° VALVE ANGLE)
Std Bore: 4.360
Ring package designed for: 1/16, 1/16, 3/16 Rings
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| Part # |
CID |
Bore |
Stroke |
Rod
Lgth. |
Block
Ht. |
Comp.
Ht. |
| Head Cubic Centimeters |
| 74cc |
80cc |
94cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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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
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| Part # |
CID |
Bore |
Stroke |
Rod
Lgth. |
Block
Ht. |
Comp.
Ht. |
| Head Cubic Centimeters |
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72cc |
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| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 232446 |
520 |
4.390 |
4.300 |
6.605 |
10.300 |
1.545 |
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13.2 |
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-5.0 |
603 |
F,L |
0.030 |
J10008-4390-5 |
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| 232447 |
532 |
4.440 |
4.300 |
6.605 |
10.300 |
1.545 |
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13.4 |
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-5.0 |
625 |
F,L |
0.080 |
J10008-4440-5 |
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| 232445 |
532 |
4.440 |
4.300 |
6.800 |
10.300 |
1.350 |
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13.4 |
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-5.0 |
577 |
E |
0.080 |
J10008-4440-5 |
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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
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| Part # |
CID |
Bore |
Stroke |
Rod
Lgth. |
Block
Ht. |
Comp.
Ht. |
| Head Cubic Centimeters |
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72cc |
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| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 257665 |
520 |
4.390 |
4.300 |
6.800 |
10.300 |
1.350 |
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13.2 |
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-5.0 |
554 |
E,M |
0.030 |
J100F8-4390-5 |
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| 257666 |
532 |
4.440 |
4.300 |
6.800 |
10.300 |
1.350 |
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13.4 |
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-5.0 |
572 |
E |
0.080 |
J100F8-4440-5 |
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| 257667 |
547 |
4.500 |
4.300 |
6.800 |
10.300 |
1.350 |
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13.7 |
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-5.0 |
593 |
E,M |
0.140 |
J100F8-4500-5 |
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Tech and Installation Tips
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Valve Relief Diagram
- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.