Discover more like Mazda 12A & 13B Underdrive Alternator Pulley

Lightweight alternator pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The effect is similar to a lighter flywheel, and the car feels m...

Lightweight crank pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The effect is similar to a lighter flywheel, and the car feels more l...

Lightweight crank pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The effect is similar to a lighter flywheel, and the car feels more l...

Lightweight water pump pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The effect is similar to a lighter flywheel, and the car feels m...

Lightweight water pump pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The effect is similar to a lighter flywheel, and the car feels m...

Aluminium 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...

Franklin Performance is proud to have designed and manufacture side mount alternator brackets for Mazda 12A and 13B rotary engines. Made from 6061-T6 aluminium for light weight and high strength, and anodised black for great looks and corrosion resistance. Will fit all engines from Series 1 to Serie...

Franklin Performance is proud to have designed and manufacture side mount alternator brackets for Mazda 12A and 13B rotary engines. Made from 6061-T6 aluminium for light weight and high strength, and anodised black for great looks and corrosion resistance. Will fit all engines from Series 1 to Serie...

CNC machined from high quality materials multi- v pulleys will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. Steel 56mm alternator pulley with 17mm bore Suits 12A, 13B 20B Engines (20B requires FC series water pump) Crank, water pump and sets of pulleys are also available, please check our other listings.

CNC machined from high quality materials multi- v pulleys will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. Steel 56mm alternator pulley with 17mm bore Suits 12A, 13B 20B Engines (20B requires FC series water pump) Crank, water pump and sets of pulleys are also available, please check our other listings.

Underdrive alternator pulley to suit FDCS RX-7 alternators. Designed to slow the speed of the alternator down to improve longevity reduce amount of horsepower loss through the alternator. The pulleys are 75mm diameter, and available for the standard 5PK belt width also 6PK belt width to suit our 6PK...

This pulley will give your engine bay a sleek, modern look and being larger diameter than the factory pulley will slow down your alternator. - The pulley is 87mm diameter It is CNC machined from billet 6061-T6 aluminium in Napier, New Zealand and is anodised for great looks and wear resistance. Comp...

Billet aluminium underdrive alternator pulley compatible with Ford Barra engines. CNC machined from high quality 6061-T6 aluminium and black anodised, this pulley will give your engine bay a sleek, modern look while lowering the RPM and horsepower required to drive the alternator. The pulley suits t...

Franklin Performance is proud to design and manufacture this custom dipstick compatible with Mazda 13B rotary engines. Designed to improve the appearance of your engine bay. Supplied assembled with o-rings and stainless steel dipstick. On 13B engines the dipstick fits into a sleeve attached to the c...

Franklin Engineering Limited is proud to design and manufacture this custom dipstick compatible with Mazda 13B rotary engines. Designed to improve the appearance of your engine bay. Supplied assembled with o-rings and stainless steel dipstick. On 13B engines the dipstick fits into a sleeve attached ...

Multi-V pulleys will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. 6PK crank pulley, 121mm outside diameter Machined from billet 6061 aluminium at our factory in Napier, New Zealand Suits 12A, 13B 20B Engines (20B requires FC series waterpump) Alternator, waterpump and sets of pulleys are also available, please check our other listings.

CNC machined from high quality materials multi- v pulleys will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. Billet 103mm aluminium water pump pulley Suits 12A, 13B 20B Engines (20B requires FC series water pump) Alternator, crank and sets of pulleys are also available, please check our other listings.

Multi-V pulleys will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. 6PK crank pulley, 121mm outside diameter Machined from billet 6061 aluminium in Napier, New Zealand Suits 12A, 13B 20B Engines (20B requires FC series water pump) Alternator, water pump and sets of pulleys are also available, please check our other listings.

Loadhandler alternator pulley 80mm, alternator pulley, heavy duty alternator pulley for boats, Enertec Marine pulley for alternator

Standard size / 6PK

Injector bungs set to block off injector ports in Mazda 12A 13B centre plates and Mazda RX8 13B centre plates. To fit, the injector bung body is inserted into the injector port and screw tightened to lock the bung in place. They are able tobe removed at any time. The two aluminium bodies are CNC mac...

Injector bungs set to block off injector ports in Mazda 12A 13B centre plates and Mazda RX8 13B centre plates. To fit, the injector bung body is inserted into the injector port and screw tightened to lock the bung in place. They are able tobe removed at any time. The two aluminium bodies are CNC mac...

This 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 i...