| 302 FLAT TOPS
These pistons are designed to be compatible with nitrous applications, and will accommodate larger valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.
Includes:
Pin #912-2750-14-51S (123g), note D
Pin #927-2750-15-51S (130g), note C
Double spiro locks (#927-042-CS)
Contact Reduction Grooves
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302 Series
Std Bore: 4.000
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 |
| 56cc |
60cc |
64cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 170845 |
306 |
4.030 |
3.000 |
5.090 |
8.190 |
1.600 |
10.0 |
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9.5 |
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9.1 |
-5.0 |
523 |
D |
0.030 |
J10008-4030-5 |
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| 170846 |
307 |
4.040 |
3.000 |
5.090 |
8.190 |
1.600 |
10.0 |
9.5 |
9.1 |
-5.0 |
525 |
D |
0.040 |
J10008-4040-5 |
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302 STROKER
Std Bore: 4.000
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. |
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| Head Cubic Centimeters |
| 56cc |
60cc |
64cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 188703 |
347 |
4.030 |
3.400 |
5.400 |
8.200 |
1.100 |
11.2 |
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10.6 |
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10.1 |
-5.0 |
411 |
B,C |
0.030 |
J10008-4030-5 |
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| 232458 |
348 |
4.040 |
3.400 |
5.400 |
8.200 |
1.100 |
11.2 |
10.6 |
10.2 |
-5.0 |
427 |
B,C |
0.040 |
J10008-4040-5 |
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| 232472 |
364 |
4.125 |
3.400 |
5.400 |
8.200 |
1.100 |
11.6 |
11.0 |
10.5 |
-5.0 |
438 |
B,C |
0.125 |
J10008-4125-5 |
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| 170855 |
331 |
4.030 |
3.250 |
5.400 |
8.200 |
1.175 |
10.8 |
10.2 |
9.7 |
-5.0 |
451 |
B,C |
0.030 |
J10008-4030-5 |
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| 170856 |
333 |
4.040 |
3.250 |
5.400 |
8.200 |
1.175 |
10.8 |
10.2 |
9.8 |
-5.0 |
454 |
B,C |
0.040 |
J10008-4040-5 |
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| 232473 |
347 |
4.125 |
3.250 |
5.400 |
8.200 |
1.175 |
11.1 |
10.6 |
10.1 |
-5.0 |
447 |
B,C |
0.125 |
J10008-4125-5 |
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TWISTED SERIES
Std Bore: 4.000
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 |
| 56cc |
60cc |
64cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 194949 |
347 |
4.030 |
3.400 |
5.400 |
8.200 |
1.100 |
11.2 |
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10.6 |
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10.1 |
-5.0 |
438 |
B,C |
0.030 |
J10008-4030-5 |
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| 232460 |
348 |
4.040 |
3.400 |
5.400 |
8.200 |
1.100 |
11.2 |
10.7 |
10.2 |
-5.0 |
444 |
B,C |
0.040 |
J10008-4040-5 |
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| 194950 |
331 |
4.030 |
3.250 |
5.400 |
8.200 |
1.175 |
10.7 |
10.2 |
9.7 |
-5.0 |
454 |
M,B,C |
0.030 |
J10008-4030-5 |
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| 232461 |
333 |
4.040 |
3.250 |
5.400 |
8.200 |
1.175 |
10.8 |
10.2 |
9.8 |
-5.0 |
460 |
B,C,L |
0.040 |
J10008-4040-5 |
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Did you know? - we also offer a complete line of pistons for this particular application in our SRP product line? Click here to check them out. |
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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.
Tech and Installation Tips
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Valve Relief Diagram