Twin Belt Alternator Pulley for 12A & 13BAluminium 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

The factory ignitor unit on the RB engine is no longer required as the new VR38 coils have a built in ignitor in each coil

8AN ORB to 8AN Banjo (Installed height: 28

We have the option of 15PSI or 60PSI gauges and ahigh quality USA made Schrader valve is included with all the two adaptors

the Vinny Fab Turbo System delivers proven rotary performance with modern engineering

Sold per rotor

12mm Titanium CNC machined

weld on bosses and factory Mazda Rotary engines

🔩 6 mm Stainless Steel Brace: Eliminates leaks by preventing sump flex and distortion

Taking advantage of the VCT system on the engine provides horsepower gains and can help reduce turbo spool up times

70mm outside diameter

Note - these bungs aren’t compatible with FD 13B & 20B as the injector ports are a different shape

3AN Female straight fittings both ends