Franklin Billet Underdrive Pulley Set for Nissan RB Engines 081-005 SILVER-140mm, 081-007 SILVER Water Cross Overs & Logs Part Number: AF9510-3000

Part Number: AF9510-3000

Part Number: AU7737

CNC machined from high-quality 1045 steel

Part Number: AF577-08DS

Franklin Billet Underdrive Pulley Set for Nissan RB Engines 081-005 SILVER-140mm, 081-007 SILVER Water Cross Overs & Logs Part Number: AF9510-3000This pulley set will give your engine bay a sleek, modern look and being larger diameter than the factory pulleys will slow down your water pump and alternator. The water pump pulley is 140mm diameter or 126mm diameter The alternator pulley is 87mm diameter Please note that the water pump pulley 140mm size will interfere with an aftermarket ATI Harmonic Balancer so it would be advisable to go with the 126mm size. Both pulleys are CNC machined from