CASE PORTING (Triple Case)


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Need some extra power? No problem, there is a lot extra left in  your motor. Simply send us your cylinders (and exhaust valves, if your model has them) so our mad scientists can professionally modify the ports for optimum flow and efficiency. Computer, dyno and field testing are all done to achieve our porting specs. Don’t be fooled by your neighbor who just came home with a new grinder. Trust the experts, trust Hot Seat Performance & Speedwerx. Specify trail, lake race, high altitude or full race. Full race porting also requires you send us your cases, for extensive crankcase porting. We’ve gotta make it flow you know.

NOTE: We here at Speedwerx are capable of porting just about anything, so don’t be afraid to call and ask about special jobs!



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⚠WARNING: Cancer and Reproductive Harm — Speedwerx, Inc. Prop65 Warnings or

These items are intended for closed-course competition only. Alternation of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.