Pontiac 400/428/455 Flat Top
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4032 low expansion high silicon aluminum alloy heat treated to SRP specifications
- Forced Pin Oiler for increased wrist pin lubrication
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- Pin fitting and double spiro locks included
- 980-2750-150 wall wrist pin (135g) included
- CNC Machined ring grooves accept 1/16, 1/16, 3/16 rings (Rings Sold Seperately)
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400 Flat Top
Std Bore: 4.120
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 |
| 72cc |
80cc |
84cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
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| 196831 |
461 |
4.155 |
4.250 |
6.800 |
10.210 |
1.285 |
11.9 |
11.0 |
10.6 |
-5cc |
446 |
B,E |
0.035 |
S100S8-4155-5 |
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| 196830 |
468 |
4.185 |
4.250 |
6.800 |
10.210 |
1.285 |
12.1 |
11.1 |
10.7 |
-5cc |
462 |
B,E |
0.065 |
J100F8-4185-5 |
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| 151792 |
458 |
4.160 |
4.210 |
6.625 |
10.210 |
1.480 |
11.8 |
10.9 |
10.5 |
-5cc |
495 |
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0.040 |
S100S8-4155-5 |
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| 153983 |
407 |
4.160 |
3.750 |
6.625 |
10.190 |
1.690 |
10.9 |
10.3 |
9.4 |
-5cc |
520 |
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0.040 |
J100F8-4155-5 |
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428 Flat Top
Std Bore: 4.120
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 |
| 72cc |
80cc |
84cc |
| Compression Ratio |
|
Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
|
| 156431 |
435 |
4.160 |
4.000 |
6.625 |
10.215 |
1.590 |
11.3 |
10.4 |
10.0 |
-5cc |
515 |
M |
0.040 |
J100F8-4155-5 |
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| 146508 |
440 |
4.188 |
4.000 |
6.625 |
10.215 |
1.590 |
11.6 |
11.0 |
10.0 |
-5cc |
519 |
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0.068 |
J100F8-4185-5 |
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455 Flat Top
Std Bore: 4.151
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 |
| 72cc |
80cc |
84cc |
| Compression Ratio |
|
Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
|
| 196831 |
461 |
4.155 |
4.250 |
6.800 |
10.210 |
1.285 |
11.9 |
11.0 |
10.6 |
-5cc |
446 |
B,E |
.004 |
S100S8-4155-5 |
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| 196830 |
468 |
4.185 |
4.250 |
6.800 |
10.210 |
1.285 |
12.1 |
11.1 |
10.7 |
-5cc |
462 |
B,E |
.034 |
J100F8-4185-5 |
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| 151792 |
458 |
4.160 |
4.210 |
6.625 |
10.210 |
1.480 |
11.8 |
10.9 |
10.5 |
-5cc |
495 |
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.009 |
S100S8-4155-5 |
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| 149721 |
463 |
4.185 |
4.210 |
6.625 |
10.210 |
1.480 |
12.2 |
11.5 |
10.5 |
-5cc |
501 |
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0.034 |
J100F8-4185-5 |
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Tech and Installation Tips
- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.