- High efficiency four-valve heads
- Greater flow efficiency shortens timing durations while boosting performance
- For bigger cubic inches providing more torque and power for modified engines with an RPM range of 1600-5500
- INTAKE: Timing at .050 = 08/40. M520 grind. CL = 106. Duration at .050 = 228. Duration at .020 = 260. Valve lift= .520. Lift at TDC = .115. Hi-lift springs
- EHXAUST: Timing at .050 = 64/04. CL = 120. Duration at .050 = 248. Duration at .020 = 260. Valve lift = .520. Lift at TDC = .094
SPECS
SKU |
AN217520 |
MFR Item No. |
217520 |
Alternate SKUs |
217520,
0925-1365
|
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