B/B BLOWN ALCOHOL DOME
Designed specifically for high boost blown alcohol drag racing. Valve reliefs accept oversized valves and are compatible with angle milled heads. Precision CNC machined ring grooves accept .017 Dykes, 1/16 second and 3/16 oil rings. Fits open chamber cylinder heads. 0.200" wall thickness Tool Steel pins included. May be used with buttons (sold separately) in place of spiro locks. Pistons will yield .020" deck clearance at listed block height.
Includes:
Pin #990-2930-20-52S (186g)
Double spiro locks (#990-042-CS)
Double pin oilers
Accumulator Grooves
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BLOWN ALCOHOL SERIES
Std Bore: 4.250
Ring package designed for: .017 Dykes, 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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| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 297810 |
468 |
4.310 |
4.000 |
6.385 |
9.800 |
1.395 |
12.0 |
11.0 |
10.5 |
38.0 |
665 |
B |
0.060 |
J890F8-4310-5 |
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BLOWN ALCOHOL SERIES
Std Bore: 4.500
Ring package designed for: .017 Dykes, 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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|
|
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 296988 |
541 |
4.500 |
4.250 |
6.385 |
9.800 |
1.270 |
11.8 |
11.0 |
10.5 |
23.5 |
660 |
B |
STD |
J890F8-4500-5 |
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| 297814 |
541 |
4.500 |
4.250 |
6.535 |
10.200 |
1.520 |
12.6 |
11.7 |
11.1 |
25.3 |
735 |
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STD |
J890F8-4500-5 |
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| 297815 |
548 |
4.530 |
4.250 |
6.535 |
10.200 |
1.520 |
12.7 |
11.8 |
11.2 |
25.3 |
740 |
M |
0.030 |
J890F8-4530-5 |
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| 296989 |
548 |
4.530 |
4.250 |
6.385 |
9.800 |
1.270 |
12.7 |
11.8 |
11.2 |
25.3 |
673 |
B |
0.030 |
J890F8-4530-5 |
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| 297811 |
509 |
4.500 |
4.000 |
6.385 |
9.800 |
1.395 |
12.0 |
11.0 |
10.5 |
30.9 |
713 |
B |
STD |
J890F8-4500-5 |
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| 297812 |
516 |
4.530 |
4.000 |
6.385 |
9.800 |
1.395 |
12.0 |
11.0 |
10.5 |
29.7 |
718 |
B,M |
0.030 |
J890F8-4530-5 |
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- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.