Cylinder Head Valves
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| Illustration 1 | g03795018 |
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| Specification for 439-2812 Cylinder Head Valve Group | |||
|---|---|---|---|
| Item | Qty | Part | Specification Description |
| 1 | 24 | 433-7073 Springs | Length under test is 51 mm (2.00 inch) test force is 460 ± 22 N (103 ± 5 lb).. Length under test is 39 mm (1.54inch), test force is 740 ± 33 N (166 ± 7 lb). Free length after test is 71.34 mm (2.81 inch). |
| 2 | 12 | 430-6044 Valve Guides (Exhaust) | Bore in the valve guide is 8.023 - 8.038 mm (0.3158 to 0.3164 inch).. |
| 3 | 12 | 435-0217 Exhaust Valves | Face angle is 45.30 degrees. Stem diameter is 7.970 - 7.985 mm (0.31378 - 0.31437 inch) |
| 4 | 12 | 430-6037 Valve Seats (Exhaust) | Face angle is 45.30 degrees. Outside diameter is 41.060 - 41.075 mm (1.6165 to 1.6171 inch). Bore in the cylinder head for the valve seat is 40.985 - 41.020 mm (1.61358 - 1.61496 inch). |
| 5 | 12 | 430-6036 Valve Seats (Inlet) | Face angle is 60.30 degrees. Outside diameter is 42.060 - 42.075 mm (1.6559 to 1.6564 inch). Bore in the cylinder head for the valve seat is 41.985 - 42.020 mm (1.653 to 1.654 inch). |
| 6 | 12 | 433-7075 Inlet Valves | Face angle is 60.30 degrees. Stem diameter is 7.970 - 7.985 mm (0.31378 - 0.31437 inch). |
| 7 | 12 | 430-6043 Valve Guides (Inlet) | Bore in the valve guide is 8.023 - 8.038 mm (0.313 to 0.316 inch). |
| Valve Guide O.D. is 13.012 ± 13.025 mm (0.51228 ± 0.51279 inch) |
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| Intake valve recession is 0.5 - 0.8 mm (0.02 - 0.032 inch). Exhaust valve recession is 1.6 ± 1.9 mm (0.063 ± 0.075 inch) |
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