351 N HEAD GAS PORTED FLAT TOP
The lightest piston on the market for this application. These pistons utilize our Superfly F.S.R. forging and feature precision CNC machined ring grooves with no valve reliefs for maximum compression ratios. Pistons are machined for 1.2, 1.2, 3mm rings.
Includes:
Pin #927-2350-15-51C (111g)
Forced pin oiler, with annular oil reservoir
Wire locks (#927-073-MW)
Accumulator groove
Contact reduction grooves
Lateral gas ports
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N-HEAD FLAT TOP
Std Bore: 4.000
Ring package designed for: 1.2, 1.2, 3MM Rings
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| Part # |
CID |
Bore |
Stroke |
Rod
Lgth. |
Block
Ht. |
Comp.
Ht. |
| Head Cubic Centimeters |
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58cc |
64cc |
| Compression Ratio |
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Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
 |
| 173677 |
357 |
4.030 |
3.500 |
6.200 |
9.200 |
1.250 |
- |
11.9 |
11.0 |
0.0 |
340 |
C,M |
0.030 |
JG3308-4030-2 |
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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.