350 / 400 SMALL BLOCK DOME
These high-compression pistons are compatible with most aftermarket 23ยบ heads and are ideal for drag racing and circle track applications. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC ring grooves are designed for 1/16, 1/16, 3/16 rings. Will not fit Pro Topline or Brodix 11X cylinder heads.
Includes:
Pin #927-2750-15-51S (130g)
Double Spiro locks #927-042-CS
Contact reduction grooves
Double pin oilers
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350 SERIES
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
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400 SERIES
Std Bore: 4.125
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 |
| 58cc |
64cc |
76cc |
| Compression Ratio |
|
Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
 |
| 182024 |
428 |
4.125 |
4.000 |
6.000 |
9.000 |
1.000 |
14.6 |
13.4 |
11.6 |
3.0 |
433 |
S,B |
std |
J10008-4125-5 |
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| 182029 |
428 |
4.125 |
4.000 |
6.000 |
9.000 |
1.000 |
15.7 |
14.4 |
12.3 |
8.0 |
423 |
B |
std |
J10008-4125-5 |
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| 182025 |
429 |
4.130 |
4.000 |
6.000 |
9.000 |
1.000 |
14.6 |
13.4 |
11.6 |
3.0 |
435 |
S,B |
0.005 |
J10008-4130-5 |
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| 182026 |
432 |
4.145 |
4.000 |
6.000 |
9.000 |
1.000 |
14.7 |
13.5 |
11.7 |
3.0 |
445 |
S,B |
0.020 |
J10008-4145-5 |
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| 182030 |
432 |
4.145 |
4.000 |
6.000 |
9.000 |
1.000 |
15.9 |
14.5 |
12.4 |
8.0 |
432 |
B |
0.020 |
J10008-4145-5 |
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| 182027 |
434 |
4.155 |
4.000 |
6.000 |
9.000 |
1.000 |
14.7 |
13.5 |
11.7 |
3.0 |
445 |
S,B |
0.030 |
J10008-4155-5 |
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| 182031 |
434 |
4.155 |
4.000 |
6.000 |
9.000 |
1.000 |
15.9 |
14.5 |
12.4 |
8.0 |
435 |
B |
0.030 |
J10008-4155-5 |
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| 182028 |
436 |
4.165 |
4.000 |
6.000 |
9.000 |
1.000 |
14.8 |
13.7 |
11.8 |
3.0 |
453 |
S,B |
0.040 |
J10008-4165-5 |
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| 182032 |
436 |
4.165 |
4.000 |
6.000 |
9.000 |
1.000 |
16.0 |
14.6 |
12.5 |
8.0 |
441 |
B |
0.040 |
J10008-4165-5 |
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| 207513 |
440 |
4.185 |
4.000 |
6.000 |
9.000 |
1.000 |
16.2 |
14.8 |
12.6 |
8.0 |
448 |
B |
0.060 |
J100F8-4185-5 |
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| 182033 |
414 |
4.125 |
3.875 |
6.000 |
9.000 |
1.062 |
14.2 |
13.1 |
11.3 |
3.0 |
444 |
S,B |
std |
J10008-4125-5 |
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| 182038 |
414 |
4.125 |
3.875 |
6.000 |
9.000 |
1.062 |
15.3 |
14.0 |
12.0 |
8.0 |
434 |
B |
std |
J10008-4125-5 |
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| 182034 |
417 |
4.130 |
3.875 |
6.000 |
9.000 |
1.062 |
14.2 |
13.1 |
11.3 |
3.0 |
447 |
S,B |
0.005 |
J10008-4130-5 |
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| 182039 |
417 |
4.130 |
3.875 |
6.000 |
9.000 |
1.062 |
15.3 |
14.0 |
12.0 |
8.0 |
436 |
B |
0.005 |
J10008-4130-5 |
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| 182035 |
418 |
4.145 |
3.875 |
6.000 |
9.000 |
1.062 |
14.3 |
13.2 |
11.4 |
3.0 |
455 |
B |
0.020 |
J10008-4145-5 |
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| 182040 |
418 |
4.145 |
3.875 |
6.000 |
9.000 |
1.062 |
15.4 |
14.1 |
12.1 |
8.0 |
448 |
B |
0.020 |
J10008-4145-5 |
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| 182036 |
420 |
4.155 |
3.875 |
6.000 |
9.000 |
1.062 |
14.3 |
13.2 |
11.4 |
3.0 |
457 |
S,B |
0.030 |
J10008-4155-5 |
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| 182041 |
420 |
4.155 |
3.875 |
6.000 |
9.000 |
1.062 |
15.4 |
14.1 |
12.1 |
8.0 |
450 |
B |
0.030 |
J10008-4155-5 |
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| 182037 |
422 |
4.165 |
3.875 |
6.000 |
9.000 |
1.062 |
14.4 |
13.3 |
11.5 |
3.0 |
464 |
S,B |
0.040 |
J10008-4165-5 |
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| 182042 |
422 |
4.165 |
3.875 |
6.000 |
9.000 |
1.062 |
15.5 |
14.2 |
12.2 |
8.0 |
453 |
B |
0.040 |
J10008-4165-5 |
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| 207514 |
426 |
4.185 |
3.875 |
6.000 |
9.000 |
1.062 |
15.5 |
14.2 |
12.2 |
8.0 |
466 |
B |
0.060 |
J100F8-4185-5 |
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| 182047 |
406 |
4.125 |
3.800 |
6.000 |
9.000 |
1.100 |
15.0 |
13.7 |
11.8 |
8.0 |
437 |
B |
STD |
J10008-4125-5 |
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| 182050 |
410 |
4.145 |
3.800 |
6.000 |
9.000 |
1.100 |
15.1 |
13.8 |
11.9 |
8.0 |
440 |
B |
0.020 |
J10008-4145-5 |
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| 182045 |
412 |
4.155 |
3.800 |
6.000 |
9.000 |
1.100 |
14.1 |
13.0 |
11.2 |
3.0 |
456 |
B |
0.030 |
J10008-4155-5 |
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| 182051 |
412 |
4.155 |
3.800 |
6.000 |
9.000 |
1.100 |
15.1 |
13.8 |
11.9 |
8.0 |
449 |
B |
0.030 |
J10008-4155-5 |
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| 182052 |
414 |
4.165 |
3.800 |
6.000 |
9.000 |
1.100 |
15.2 |
13.9 |
11.9 |
8.0 |
448 |
B |
0.040 |
J10008-4165-5 |
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| 182053 |
401 |
4.125 |
3.750 |
6.000 |
9.000 |
1.125 |
13.8 |
12.7 |
11.0 |
3.0 |
450 |
S,B |
STD |
J10008-4125-5 |
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| 182058 |
401 |
4.125 |
3.750 |
6.000 |
9.000 |
1.125 |
14.8 |
13.6 |
11.6 |
8.0 |
437 |
B |
STD |
J10008-4125-5 |
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| 242890 |
401 |
4.125 |
3.750 |
6.000 |
9.000 |
1.125 |
16.1 |
14.6 |
12.3 |
13.0 |
448 |
B |
STD |
J10008-4125-5 |
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| 182059 |
402 |
4.130 |
3.750 |
6.000 |
9.000 |
1.125 |
14.8 |
13.6 |
11.6 |
8.0 |
440 |
B |
0.005 |
J10008-4130-5 |
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| 182055 |
405 |
4.145 |
3.750 |
6.000 |
9.000 |
1.125 |
13.9 |
12.8 |
11.1 |
3.0 |
461 |
S,B |
0.020 |
J10008-4145-5 |
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| 182060 |
405 |
4.145 |
3.750 |
6.000 |
9.000 |
1.125 |
14.9 |
13.7 |
11.7 |
8.0 |
447 |
B |
0.020 |
J10008-4145-5 |
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| 182056 |
407 |
4.155 |
3.750 |
6.000 |
9.000 |
1.125 |
13.9 |
12.8 |
11.1 |
3.0 |
460 |
S,B |
0.030 |
J10008-4155-5 |
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| 182070 |
407 |
4.155 |
3.750 |
5.700 |
9.000 |
1.425 |
13.5 |
12.4 |
10.7 |
5.0 |
491 |
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0.030 |
J10008-4155-5 |
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| 182061 |
407 |
4.155 |
3.750 |
6.000 |
9.000 |
1.125 |
14.9 |
13.7 |
11.7 |
8.0 |
451 |
B |
0.030 |
J10008-4155-5 |
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| 242891 |
407 |
4.155 |
3.750 |
6.000 |
9.000 |
1.125 |
16.2 |
14.7 |
12.4 |
13.0 |
466 |
B |
0.030 |
J10008-4155-5 |
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| 182057 |
409 |
4.165 |
3.750 |
6.000 |
9.000 |
1.125 |
14.0 |
12.9 |
11.1 |
3.0 |
464 |
S,B |
0.040 |
J10008-4165-5 |
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| 182071 |
409 |
4.165 |
3.750 |
5.700 |
9.000 |
1.425 |
13.5 |
12.4 |
10.7 |
5.0 |
490 |
M |
0.040 |
J10008-4165-5 |
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| 182062 |
409 |
4.165 |
3.750 |
6.000 |
9.000 |
1.125 |
15.0 |
13.8 |
11.8 |
8.0 |
460 |
B |
0.040 |
J10008-4165-5 |
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| 242892 |
409 |
4.165 |
3.750 |
6.000 |
9.000 |
1.125 |
16.3 |
14.8 |
12.5 |
13.0 |
468 |
B |
0.040 |
J10008-4165-5 |
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| 182063 |
388 |
4.125 |
3.625 |
6.000 |
9.000 |
1.187 |
14.9 |
13.6 |
11.6 |
10.5 |
451 |
B |
STD |
J10008-4125-5 |
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| 182064 |
391 |
4.145 |
3.625 |
6.000 |
9.000 |
1.187 |
15.1 |
13.8 |
11.7 |
10.5 |
459 |
B |
0.020 |
J10008-4145-5 |
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| 182065 |
393 |
4.155 |
3.625 |
6.000 |
9.000 |
1.187 |
15.2 |
13.8 |
11.8 |
10.5 |
469 |
B |
0.030 |
J10008-4155-5 |
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| 182066 |
386 |
4.155 |
3.562 |
6.000 |
9.000 |
1.219 |
14.6 |
13.5 |
11.5 |
10.5 |
475 |
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0.030 |
J10008-4155-5 |
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| 182067 |
374 |
4.125 |
3.500 |
6.000 |
9.000 |
1.250 |
15.0 |
13.8 |
11.7 |
13.0 |
453 |
A |
STD |
J10008-4125-5 |
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| 242890 |
374 |
4.125 |
3.500 |
6.125 |
9.000 |
1.125 |
15.1 |
13.7 |
11.5 |
13.0 |
448! |
B |
STD |
J10008-4125-5 |
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| 182068 |
378 |
4.145 |
3.500 |
6.000 |
9.000 |
1.250 |
15.0 |
13.8 |
11.7 |
13.0 |
463 |
A |
0.020 |
J10008-4145-5 |
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| 182069 |
380 |
4.155 |
3.500 |
6.000 |
9.000 |
1.250 |
15.0 |
13.8 |
11.7 |
13.0 |
468 |
A |
0.030 |
J10008-4155-5 |
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| 242891 |
380 |
4.155 |
3.500 |
6.125 |
9.000 |
1.125 |
15.2 |
13.8 |
11.7 |
13.0 |
466 |
B |
0.030 |
J10008-4155-5 |
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| 242892 |
382 |
4.165 |
3.500 |
6.125 |
9.000 |
1.125 |
15.3 |
13.9 |
11.8 |
13.0 |
468 |
B |
0.040 |
J10008-4165-5 |
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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.