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The following port work has been done:</p> <p><br />1
Relieve piston to prevent seizes
we focused our time tuning this top end to the areas that would yield the most power possible while maintaining reliability and ease of use
And most other large scale on-road cars
1415 - Stainless Steel OBR HPI Baja 5B/5T/5SC Pipe The following port work hasDoes not fit Rovan 45cc engine without modifications to the header! OBR stainless steel pipe fits all HPI Baja's and primal dragsters. We've gone with stainless steel to prevent rust and the need for plating, powder coating etc This pipe was exclusively designed and dyno tuned around our engines and there is not a better performing pipe out there for an OBR engine. Also runs well on stock and ported engines by other tuners. Being racers at OBR this is
US$ 37.50
US$ 28.00
US$ 12.00
