- High efficiency four-valve heads
- Greater flow efficiency shortens timing durations while boosting performance
- More torque and power from bigger engines 114 inches and all-around riding with an RPM range of 1500-5700
- INTAKE: Timing at .050 = 06/30. M504 grind. CL = 102. Duration at .050 = 216. Duration at .020 = 249. Valve lift = .504. Lift at TDC = .105. Hi-lift springs
- EXHAUST: Timing at .050 = 56/00. CL = 118. Duration at .050 = 236. Duration at .020 = 274. Valve lift = .504. Lift at TDC = .080
SPECS
| SKU |
AN217504 |
| MFR Item No. |
217504 |
| Alternate SKUs |
217504,
0925-1164
|
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