LS1 Competition Series
Piston Features:
- 3D milling on piston crowns for ready to install finish
- Valve pockets designed to work with most aftermarket cylinder heads
- Offset pins for quiet operation
- Moly skirt coating for friction loss and skirt wear protection
- Top ring down dimension: .250"
- Ratios figured for .040 head gasket
- Premium 1.2mm x 1.2mm x 3.0mm ring package included
- Premium 1.2mm x 1.5mm x 3.0mm ring package on all 3.905 bore piston sets included
- Premium 8620 .185W wrist pins included
- Valve pocket depth: 0.176" intake and .105" exhaust
- 2618 material for High HP-NOS-Boost applications
Items 1-22 of 22
|
Item No
|
Bore
|
Stroke
|
Rod
|
Comp Height
|
Pin
|
Cc
|
Compression Ratio
|
|
|---|---|---|---|---|---|---|---|---|
 |
11500-R1-8 | 3.905 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -2.0cc | 9.8 |
 |
11501-R1-8 | 3.905 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | 0.0cc | 10.0 |
 |
11502-R1-8 | 3.905 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 9.8 |
 |
11503-R1-8 | 3.905 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -8.6cc | 9.1 |
 |
11504-R1-8 | 3.905 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -7.0cc | 10.1 |
 |
11505-R1-8 | 3.905 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 10.7 |
 |
11507-R2-8 | 4.010 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 10.2 |
 |
11508-R2-8 | 4.010 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -13.7cc | 9.0 |
 |
11510-R1-8 | 4.030 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -2.0cc | 10.3 |
 |
11511-R1-8 | 4.060 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -2.0cc | 10.4 |
 |
11512-R1-8 | 4.030 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 10.3 |
 |
11513-R1-8 | 4.060 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -2.0cc | 10.4 |
 |
11514-R1-8 | 4.000 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -13.7cc | 9.0 |
 |
11515-R1-8 | 4.030 | 3.622 | 6.098 | 1.331 | .945 x 2.500 | -15.0cc | 9.0 |
 |
11516-R1-8 | 4.000 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -13.7cc | 9.0 |
 |
11517-R1-8 | 4.030 | 3.622 | 6.125 | 1.304 | .927 x 2.500 | -15.0cc | 9.0 |
 |
11518-R1-8 | 4.000 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 11.1 |
 |
11519-R1-8 | 4.030 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 11.2 |
 |
11520-R1-8 | 4.000 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -15.0cc | 9.7 |
 |
11521-R1-8 | 4.030 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -15.0cc | 9.8 |
 |
11522-R1-8 | 4.125 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -7.0cc | 11.1 |
 |
11529-R1-8 | 4.060 | 4.000 | 6.125 | 1.115 | .927 x 2.500 | -2.0cc | 11.4 |
