| Stage |
Description |
Notes |
| Stage 1 |
ELIM-385-902A
Assembled cylinder heads with std height intake and exhaust ports (SI/SE), CNC finished combustion chambers and finished seats. |
Assembled heads with CNC finished combustion chambers (85cc volume) and the following equipment:
| 1. |
2.42" stainless steel intake valves, 11/32" stem |
| 2. |
1.88" stainless steel exhaust valves w/24 degree tulip, 11/32" stem |
| 3. |
Ductile iron intake and exhaust valve seats |
| 4. |
Serdi valve seat machining |
| 5. |
AMPCO 45 valve guides, reamed and honed |
| 6. |
Machined steel spring cups w/1.76" OD |
| 7. |
Teflon .631" diameter oil seals |
| 8. |
Dual valve springs for max of .600" valve lift, w/1.625" diameter |
| 9. |
Titanium retainers |
| 10. |
10 degree valve locks |
| 11. |
IDT 3/8 guide plates |
| 12. |
ARP 7/16" Pro Style rocker arm studs | |
| Stage 2 |
ELIM-385-903A
Assembled cylinder heads with std height intake and exhaust ports (SI/SE), CNC finished Level 1 port work and finished seats |
Same as Stage 1, but with CNC finished Level 1 porting (port matched and bowl blended with finished combustion chambers) |
| Stage 3 |
ELIM-385-904A
Assembled cylinder heads with std height intake and exhaust ports (SI/SE), CNC finished Level 2 port work and finished seats |
Same as Stage 1, but with CNC finished Level 2 porting (fully ported and bowl blended with finished combustion chambers) |
| Stage 4 |
ELIM-385-902AS
Assembled solid cylinder heads with std height intake and exhaust ports (SI/SE), CNC finished combustion chambers and finished seats |
Same as Stage 1, but as a solid cast (no water jacket) |
| Stage 5 |
ELIM-385-903AS
Assembled, solid cylinder heads with std height intake and exhaust ports (SI/SE), CNC finished Level 1 port work and finished seats |
Same as Stage 2,but as a solid cast (no water jacket) |
| Stage 6 |
ELIM-385-904AS
Assembled, solid cylinder heads with std height intake and exhaust ports (SI/SE), CNC finished Level 2 port work and finished seats |
Same as Stage 3, but as a solid cast (no water jacket) |
| Stage 7 |
ELIM-385-906A*
Assembled cylinder heads with raised height intake and std height exhaust ports (RI/SE), CNC finished combustion chambers and finished seats |
Same as Stage 1, but has Intake Port raised .100"
Special order only |
| Stage 8 |
ELIM-385-906AS*
Assembled, solid cylinder heads with raised height intake and std height exhaust ports (RI/SE), CNC finished combustion chambers and finished seats |
Same as Stage 7, but as solid cast (no water jacket)
Special order only |
| Stage 9 |
ELIM-385-908A*
Assembled cylinder heads with std height intake and raised height exhaust ports (SI/RE), CNC finished combustion chambers and finished seats |
Same as Stage 1, but has Exhaust Port raised .400"
Special order only |
| Stage 10 |
ELIM-385-908AS*
Assembled, solid cylinder heads with std height intake and raised height exhaust ports (RI/RE), CNC finished combustion chambers and finished seats |
Same as Stage 9, but as solid cast (no water jacket)
Special order only |
| Stage 11 |
ELIM-385-910A*
Assembled cylinder heads with raised height intake and raised height exhaust ports (RI/RE), CNC finished combustion chambers and finished seats |
Same as Stage 1, but has Intake Port raised .100" and Exhaust Port raised .400"
Special order only |
| Stage 12 |
ELIM-385-910AS*
Assembled, solid cylinder heads with raised height intake and raised height exhaust ports (RI/RE), CNC finished combustion chambers and finished seats |
Same as Stage 11, but as a solid cast (no water jacket)
Special order only |
