4.530" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap The Speedmaster MidRise Air design

The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise

Constructed from a composite material with a steel core

These heavy-duty bearing retainer plates are precision-engineered and manufactured out of heavier steel than stock to ensure that they do their job

Our Speedmaster replacement electric water pump motors are manufactured to maintain high flow rates and the high quality you expect from PCE

the use of 6 pinion gears means the stress on gears is spread over a greater surface area

4.530" Bore - 1.5 - 1.5 - 3mm Plasma Moly Piston Ring Set - Zero Gap The Speedmaster MidRise Air design