4 STROKE MODIFICATIONS

4 STROKE HEAD MODIFICATIONS $549.95
Includes the removal and inspection of valve springs, retainers, buckets, shims and seals. Valve clearances are checked and shims are replaced when necessary. Sealing surfaces are lapped to ensure proper closure and a high performance SERDI valve job is performed. Heads are then internally altered to improve airflow through the head. After porting and flow testing is complete, the head is reassembled with new valve seals. If additional parts are necessary, or recommended we will call to get approval before replacement.