Newly designed high-compression piston kits for Evolution engines. Wiseco forged pistons are well-known for their superior strength over stock cast pistons and can be set-up at .0025" to .0035" clearance for quieter operation. Compression ratio listed is with stock stroke. Each kit includes 2 pistons with rings, pins and clips.
Sportster thru 2003 | Evolution Big Twin | |||
Dome | 1 | 2 | 3 | 4 |
XL1200 | XL1200 | 1340 | 1340 | |
9:1 | 10.5:1 | 8.5:1 | 10:1 | |
Size | Compr. | Compr. | Compr. | Compr. |
Std. |
730049
€ 399,55
|
238789
€ 419,53
|
235285
€ 393,28
|
730054
€ 419,53
|
+.005" | - |
238792
€ 399,55
|
- |
730055
€ 399,55
|
+.010" |
730050
€ 419,53
|
238790
€ 399,55
|
235286
€ 393,28
|
730056
€ 419,53
|
+.020" |
730051
€ 399,55
|
238791
€ 399,55
|
235287
€ 393,28
|
730057
€ 419,53
|
+.030" | - | - |
235288
€ 393,28
|
730058
€ 399,55
|
+.040" | - |
238793
€ 399,55
|
235289
€ 393,28
|
730059
€ 419,53
|
Piston dome specifications | |||||
All valve pocket specifications are measured from deck height | |||||
Dome Style | Dome Volume | Intake Pocket | Exhaust Pocket | ||
Depth | Diameter | Depth | Diameter | ||
1 | -2.8 cc | -.214" | 2.100" | -.214" | 2.100" |
2 | +6.0 cc | -.225" | 2.100" | -.225" | 2.100" |
3 | -1.5 cc | -.178" | 2.000" | -.178" | 2.000" |
4 | +12.9 cc | -.143" | 2.080" | -.138" | 1.740" |
5 | +19.0 cc | -.165" | 2.080" | -.165" | 2.080" |
Recommended Retail Prices include 21.00% sales tax.
Prices exclude shipping, import duties and installation.