Billet Underdrive Water Pump Pulley for Nissan RB Engines Size:140mm The kit features a unique

The kit features a unique tensioning system and a back side support brace to keep the alternator rigidly mounted to the engine - both features not found in our competitors kits

Fittings for the billet thermostat housing are available in black anodised or a raw aluminium finish

The thermostat housing fitting is available with and without a 1/4” NPT side port

Suits early 12A and 13B rotaries through to series 5 RX-7

Through clever design and demand from our customers Franklin Performance are proud to call this the best LS alternator upgrade kit on the market

Billet Underdrive Water Pump Pulley for Nissan RB Engines Size:140mm The kit features a uniqueThis pulley will give your engine bay a sleek, modern look and being larger diameter than the factory pulley will slow down your water pump. The pulley comes in two sizes 126mm diameter 140mm diameter Please note that the 140mm size will interfere with an aftermarket ATI Harmonic Balancer so it would be advisable to go with the 126mm size. The pulleys are CNC machined from billet 6061 T6 aluminium at our factory in Napier, New Zealand and are anodised