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460 INVERTED DOME

These inverted dome pistons are compatible with turbocharged, nitrous and forced induction systems. The valve reliefs are designed to 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 a 10.300" deck block. 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)
460 INVERTED DOME (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
170879 545 4.390 4.500 6.700 10.300 1.350 10.1 9.6 8.8 -39.0 568 E,M 0.030 J10008-4390-5
170880 557 4.440 4.500 6.700 10.300 1.350 10.3 9.8 9.0 -39.0 596 E 0.080 J10008-4440-5
170879 520 4.390 4.300 6.800 10.300 1.350 9.7 9.3 8.5 -39.0 568 E,M 0.030 J10008-4390-5
170880 532 4.440 4.300 6.800 10.300 1.350 9.9 9.5 8.6 -39.0 596 E 0.080 J10008-4440-5
170882 532 4.440 4.300 6.605 10.300 1.545 9.9 9.5 8.6 -39.0 626 F,L 0.080 J10008-4440-5


STROKER 460 INVERTED DOME FOR M-6049 -SJC 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
257668 520 4.390 4.300 6.800 10.300 1.350 9.8 -39.0 588 E 0.030 J100F8-4390-5
257669 532 4.440 4.300 6.800 10.300 1.350 10.0 -39.0 600 E 0.080 J100F8-4440-5

- 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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