Twin Belt Alternator Pulley for 12A & 13B Style:Underdrive This redesigned Vinny Fab Upper

This redesigned Vinny Fab Upper Water Neck provides the extra clearance your setup needs — no compromises

these oil filler tubes and caps replace the standard metal filler and plastic cap which stick up high in the engine bay

CNC Machined from billet 6061-T6 aluminium and black anodised for great looks and light weight

NissanRB25DET

Precision CNC-machined billet aluminium adapters

Twin Belt Alternator Pulley for 12A & 13B Style:Underdrive This redesigned Vinny Fab UpperAluminium double belt alternator pulley to suit early 12A and 13B rotaries through to series 5 RX 7 (vehicles with 15 mm alternator shaft). It allows a second v belt to be added for improved reliability, particularly on high revving engines. Key benefits: * Eliminates belt slip on the alternator water pump cooling fan pulleys * Shares the load between two belts * Back up belt if one belt fails Standard pulley is 62mm outside diameter. Underdrive