2367 Thompson Way
P O Box 7409
Santa Maria, CA 93456
phone (805) 349-1932
fax (805) 922-0155
Valve Spring Shims
Evolution Valve Spring Shims
| Part No. | Thick | Inside Diameter | Outside Diameter | Qty. |
| A107 | .060 | .625 | 1.250 | 100 |
| B107 | .030 | .625 | 1.250 | 100 |
| C107 | .015 | .625 | 1.250 | 100 |
| A1075 | .060 | .625 | 1.250 | 50 |
| B1075 | .030 | .625 | 1.250 | 50 |
| C1075 | .015 | .625 | 1.250 | 50 |
80" 1340cc Shovel Head
Valve Spring Shims (1979-up)
| Part No. | Thick | Inside Diameter | Outside Diameter | Qty. |
| A301 | .060 | .765 | 1.312 | 100 |
| B301 | .030 | .765 | 1.312 | 100 |
| C301 | .015 | .765 | 1.312 | 100 |
| A3015 | .060 | .765 | 1.375 | 50 |
| B3015 | .030 | .765 | 1.375 | 50 |
| C3015 | .015 | .765 | 1.375 | 50 |
74" 1200cc Pan/Shovel Head
& X-L Sportster Valve Spring Shims
| Part No. | Thick | Inside Diameter | Outside Diameter | Qty. |
| A204 | .060 | .578 | .760 | 100 |
| B204 | .030 | .578 | .760 | 100 |
| C204 | .015 | .578 | .760 | 100 |
| A2045 | .060 | .578 | .760 | 50 |
| B2045 | .030 | .578 | .760 | 50 |
| C2045 | .015 | .578 | .760 | 50 |
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