F.S.R. SUPERFLY GP (GAS PORTED)
The ultimate light-weight piston for Late Model Stock two-barrel and similar applications up to 400 horsepower. FSR forging provides reduced skirt contact that lowers friction for optimum HP gains. Pistons feature a .190" deep intake valve pocket for maximum compression. The ring grooves are machined for 1.2, 1.2, 3mm back cut rings with lateral gas ports provided for superior ring seal.
Includes:
Pin #927-2350-15-51C (111g)
Wire lock #927-073-MW
Lateral gas ports
Double Pin Oilers
Accumulator Groove
Contact Reduction Grooves
Rated up to 400 horsepower
|
|
|
 |
|
350 Series
Std Bore: 4.000
Ring package designed for: 1.2, 1.2, 3MM Rings
|
|
|
| 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 |
 |
| 232507 |
352 |
4.000 |
3.500 |
6.000 |
9.020 |
1.270 |
11.5 |
10.7 |
9.3 |
-1.8 |
329 |
A,L |
STD |
J93008-4000-5 |
|
| 232506 |
352 |
4.000 |
3.500 |
5.700 |
9.020 |
1.570 |
11.5 |
10.7 |
9.3 |
-1.8 |
368 |
A,L |
STD |
J93008-4000-5 |
|
| 170679 |
359 |
4.040 |
3.500 |
5.700 |
9.000 |
1.550 |
11.6 |
10.8 |
9.4 |
-1.8 |
376 |
A |
0.040 |
J93108-4040-5 |
|
|
|
Tech and Installation Tips
){kind=small}
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.