350 18º DOME
These pistons are perfect for your high-compression 17º/18º engine, with smooth flowing domes for optimum flame travel and angle milled head compatibility. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. These pistons utilize dedicated left and right hand forgings.
Includes:
Pin #927-2750-15-51S (130g)
Double spiro locks (#927-042-CS), unless noted
Double Pin Oilers
Contact Reduction Grooves
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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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| Part # |
CID |
Bore |
Stroke |
Rod
Lgth. |
Block
Ht. |
Comp.
Ht. |
| Head Cubic Centimeters |
| 53cc |
55cc |
58cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
 |
| 181965 |
357 |
4.030 |
3.500 |
6.000 |
9.000 |
1.250 |
13.6 |
13.0 |
12.4 |
3.0 |
462 |
A,M |
0.030 |
J10008-4030-5 |
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| 181972 |
362 |
4.060 |
3.500 |
6.000 |
9.000 |
1.250 |
15.0 |
14.3 |
13.6 |
8.0 |
475 |
A,M |
0.060 |
J10008-4060-5 |
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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.