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We live and breathe it
and that means horsepower
instead of the tacky and ugly black steel brackets and hardware that everyone else uses
1 Coolant mounting bracket
designed and precision machined in the USA
Tegiwa Alloy Underdrive Crank Pulley - K20A DC5/EP3 Bearings We live and breathe itTegiwa Alloy Underdrive Crank Pulley K20A DC5 EP3 This K series underdrive pulley increases performance by reducing the engine's rotating mass and by adjusting the pulley size ratio this kit offers improved acceleration, quicker throttle response. The underdrive percentage is less than 20% which still allows the engine to maintain factory specified outputs for the ancillaries. This pulley gives a 5 7HP gain over a standard pulley and weighs just 0.