REF: Engine Mechanicals - Sub-02A
Screaming Eagle Pro CNC Ported Heads
Intended for High Performance or Racing applications only. Not legal for sale or use on pollution controlled motorcycles. 1)
When adjusting spring seat pressure, maintain a minimum 0.070 in. travel to coil bind. All springs must each be of equal heights if adjustment is required.
| Every 0.015 in. reduction of spring length increases seat pressure by 3.8 lbs, | ||||
|---|---|---|---|---|
| Standard spring height | Seat pressure | Desired seat height | Seat Pressure | |
| Intake: 2.059 in. | 200 lbs. | 0.015 in. shim (18224-98) under lower spring seat | 3.8 lbs. of added seat pressure | |
| Exhaust: 2.064 in. | 200 lbs. | 0.030 in. shim (18225-98) under lower spring seat | 7.6 lbs. of added seat pressure | |
| To reduce seat pressure, every 0.015 in. machined out of lower spring collar area is 3.8 lbs. of seat pressure reduction | ||||
Click on a pic to enlarge:
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| Standard Screaming Eagle Pro CNC Heads 2) | ||
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| Standard Screaming Eagle Pro heads machined for 2nd plug for S models 3) | ||
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| SE Pro heads (cookie cutter machining in ports) 4) | ||
| Kit # 16500164 5) | ||
|---|---|---|
| Part No. | Description | Quantity |
| 165000163 | Front Head (bare), casting no. 16874-07 | 1 |
| 165000162 | Rear Head (bare), casting no. 16877-07 | 1 |
| Not sold separately | Head (complete assembly) | 2 |
| 18015-03B Sold as part of the SE valve spring kit | Upper valve spring collar | 4 |
| 18016-03 Sold as part of the SE valve spring kit | Lower valve spring & valve guide seal | 4 |
| 16715-83 | Exhaust port stud | 4 |
| 18010-05 | Intake valve | 2 |
| 18028-05 | Exhaust valve | 2 |
| 18260-02 Sold as part of the SE valve spring kit | Valve collar retainer | 8 |
| Not sold separately Sold as part of the SE valve spring kit | Valve spring | 4 |
| 18013-03A Also sold separately | SE valve spring kit | 1 |
| 18020-07 Also sold separately | Intake valve seat | 1 |
| 18011-86 Also sold separately | Exhaust valve seat | 1 |
| 16461-02 Also sold separately | Intake and exhaust valve guide | 1 |