- Pistons are manufactured on 4032 High Silicone material excellent for high horsepower.
- CNC Precision machined ring grooves for 1.5, 1.5, 3.0 rings.
- Top ring land gas distribution groove to enhance performance and improve ring seal.
- 990-2800-51-15C wrist pins (145 grams), pin fitting, wire locks, broached pin oilers and accumulator grooves are included.
- Diamond turned skirts.
- Forged side relief with external lightening cavities.
- American made.
Cubic Inch |
Bore Size |
Over Size |
Stroke |
Rod Length |
Comp. Height |
112cc |
118cc |
124cc |
Dome Volume |
Gram Weight |
Foot Notes |
Piston Part Number |
Street Ring Set |
460 |
4.28 |
0.03 |
4 |
6.135 |
1.645 |
11.1 |
10.5 |
10 |
28.9 |
Call |
-- |
1000288 |
AT 4280 |
466 |
4.31 |
0.06 |
4 |
6.135 |
1.645 |
11.1 |
10.5 |
10 |
27.5 |
Call |
-- |
1000289 |
AT 4310 |
469 |
4.32 |
0.07 |
4 |
6.135 |
1.645 |
11.1 |
10.5 |
10 |
27 |
Call |
-- |
1000290 |
AT 4320 |
475 |
4.35 |
0.1 |
4 |
6.135 |
1.645 |
11.1 |
10.5 |
10 |
25.6 |
Call |
-- |
1000291 |
AT 4350 |
502 |
4.47 |
STD |
4 |
6.135 |
1.645 |
11.1 |
10.5 |
10 |
20.9 |
Call |
-- |
1000292 |
AT 4470 |
508 |
4.5 |
0.03 |
4 |
6.135 |
1.645 |
11 |
10.5 |
10 |
19.4 |
Call |
-- |
1000293 |
AT 4500 |
515 |
4.53 |
0.06 |
4 |
6.135 |
1.645 |
11 |
10.5 |
10 |
18 |
Call |
-- |
1000294 |
AT 4530 |
460 |
4.28 |
0.03 |
4 |
6.385 |
1.395 |
11.1 |
10.5 |
10 |
28.9 |
Call |
-- |
1000295 |
AT 4280 |
466 |
4.31 |
0.06 |
4 |
6.385 |
1.395 |
11.1 |
10.5 |
10 |
27.5 |
Call |
-- |
1000296 |
AT 4310 |
469 |
4.32 |
0.07 |
4 |
6.385 |
1.395 |
11.1 |
10.5 |
10 |
27 |
Call |
-- |
1000297 |
AT 4320 |
475 |
4.35 |
0.1 |
4 |
6.385 |
1.395 |
11.1 |
10.5 |
10 |
25.6 |
Call |
-- |
1000298 |
AT 4350 |
508 |
4.5 |
0.03 |
4 |
6.385 |
1.395 |
11 |
10.5 |
10 |
19.4 |
Call |
-- |
1000299 |
AT 4500 |
515 |
4.53 |
0.06 |
4 |
6.385 |
1.395 |
11 |
10.5 |
10 |
18 |
Call |
-- |
1000300 |
AT 4530 |
489 |
4.28 |
0.03 |
4.25 |
6.135 |
1.52 |
11.1 |
10.5 |
10 |
22.7 |
Call |
-- |
1000301 |
AT 4280 |
496 |
4.31 |
0.06 |
4.25 |
6.135 |
1.52 |
11.1 |
10.5 |
10 |
21.2 |
Call |
-- |
1000302 |
AT 4310 |
498 |
4.32 |
0.07 |
4.25 |
6.135 |
1.52 |
11.1 |
10.5 |
10 |
20.7 |
Call |
-- |
1000303 |
AT 4320 |
505 |
4.35 |
0.1 |
4.25 |
6.135 |
1.52 |
11.1 |
10.5 |
10 |
19.2 |
Call |
-- |
1000304 |
AT 4350 |
540 |
4.5 |
0.03 |
4.25 |
6.135 |
1.52 |
11 |
10.5 |
10 |
12.6 |
Call |
-- |
1000305 |
AT 4500 |
547 |
4.53 |
0.06 |
4.25 |
6.135 |
1.52 |
11 |
10.5 |
10 |
11 |
Call |
-- |
1000306 |
AT 4530 |
489 |
4.28 |
0.03 |
4.25 |
6.385 |
1.27 |
11.1 |
10.5 |
10 |
22.7 |
Call |
R |
1000307 |
AT 4280 |
496 |
4.31 |
0.06 |
4.25 |
6.385 |
1.27 |
11.1 |
10.5 |
10 |
21.2 |
Call |
R |
1000308 |
AT 4310 |
498 |
4.32 |
0.07 |
4.25 |
6.385 |
1.27 |
11.1 |
10.5 |
10 |
20.7 |
Call |
R |
1000309 |
AT 4320 |
505 |
4.35 |
0.1 |
4.25 |
6.385 |
1.27 |
11.1 |
10.5 |
10 |
19.2 |
Call |
R |
1000310 |
AT 4350 |
540 |
4.5 |
0.03 |
4.25 |
6.385 |
1.27 |
11 |
10.5 |
10 |
12.6 |
Call |
R |
1000311 |
AT 4500 |
547 |
4.53 |
0.06 |
4.25 |
6.385 |
1.27 |
11 |
10.5 |
10 |
11 |
Call |
R |
1000312 |
AT 4530 |
555 |
4.56 |
0.09 |
4.25 |
6.385 |
1.27 |
11 |
10.5 |
10 |
9.5 |
Call |
R |
1000313 |
AT 4560 |
565 |
4.6 |
STD |
4.25 |
6.385 |
1.27 |
11 |
10.5 |
10.1 |
7.3 |
Call |
R |
1000314 |
AT 4600 |
572 |
4.63 |
0.03 |
4.25 |
6.385 |
1.27 |
11 |
10.5 |
10.1 |
5.7 |
Call |
R |
1000315 |
AT 4630 |
|