PERRIN Lightweight Crank Pulley for 17+ Honda Civic Type R / 24+ Acura Integra Type S

The PERRIN Lightweight Crank Pulley for Civic Type R lightens up your rotating engine parts to free up power. True weight savings can be felt with every blip of the gas pedal. Specifications Material CNC Aluminum Finish Anodize OEM Crank Pulley Weight 4.1 lbs PERRIN Crank Pulley Weight 1.21 lbs In The Box (1) PERRIN Lightweight Crank Pulley Warranty & Instructions Decrease Rotational Mass The PERRIN Lightweight Crank Pulley weighs just 1.21 lbs, which is 2.89 lbs lighter than the stock OEM crank pulley. This reduction in weight from the crankshaft is equal to removing more than 100 lbs of vehicle weight! Throttle response, horsepower, and torque are all increased with this easy-to-install part. No Tuning Required Increase horsepower and torque without ECU recalibration or tune! This part is designed and tested to work safely on your vehicle without any tuning required! However, more power can be gained with proper ECU tuning! Confirm any tune or recalibration you add is specific for ALL modifications added to the vehicle. Finish & Construction Designed to look mean and fast, the PERRIN Crank Pulley features precision-machined grooves that tightly sync with all OEM and aftermarket belts. Machined from 6061-T6 billet aluminum, anodized red, and laser-etched for increased belt life and a precision fit, it delivers both performance and style.