350 Heavy Duty 23º Flat Top
Engineered for Extreme Duty Alcohol and Nitrous applications these pistons are perfect for drag race, ASCS and Sprint Car engines. Valve pockets are designed to work with Pro Action/Pro Topline 23º, Brodix 11X and angle milled cylinder heads and a 2.750" pin provides added stability to absorb heavy loading. Offered in .005" and .010" overbores to accommodate new aftermarket cylinder blocks. Ring grooves are machined for 1/16, 1/16, 3/16 rings.
Includes:
Pin# 927-2750-15-51S (130g)
Double Spiro Locks 927-042-CS
Double Pin Oilers
Accumulator Groove
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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 |
| 58cc |
64cc |
72cc |
| Compression Ratio |
|
Dome
Vol. |
Gram
Wt. |
Footnote |
Oversize |
Recom.
Ring Set |
 |
| 217788 |
359 |
4.005 |
3.562 |
6.000 |
9.011 |
1.230 |
11.3 |
10.5 |
9.6 |
-4.8 |
434 |
M |
0.005 |
J10008-4000-5 |
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| 217789 |
359 |
4.010 |
3.562 |
6.000 |
9.011 |
1.230 |
11.3 |
10.5 |
9.6 |
-4.8 |
440 |
M |
0.010 |
J10008-4010-0 |
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| 217790 |
361 |
4.020 |
3.562 |
6.000 |
9.011 |
1.230 |
11.3 |
10.5 |
9.6 |
-4.8 |
438 |
M |
0.020 |
J10008-4020-5 |
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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.