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

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 pulley set made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Set contains: crank pulley, alternator pulley and waterpump pulley. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The...

Lightweight pulley set made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks. Set contains: crank pulley, alternator pulley and waterpump pulley. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The...

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 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 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...

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.

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.

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...

Here at Franklin Performance we take pride in only delivering the highest quality of parts. Unfortunately sometimes parts get scratch, dented, have missing or discoloured anodising and are unrepairable. In the past we have discarded these parts but we feel this is wasteful. While the parts may not l...

Here at Franklin Performance we take pride in only delivering the highest quality of parts. Unfortunately sometimes parts get scratch, dented, have missing or discoloured anodising and are unrepairable. In the past we have discarded these parts but we feel this is wasteful. While the parts may not l...

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 ...

Billet aluminium cover for electronic crank angle sensors on Mazda 13B Rotary Engines. The cover is manufactured from 6061-T6 aluminium and supplied with new cap screws for fitting.

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.

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 this pulley set will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. Set includes: Billet 121mm aluminium crank pulley Billet 103mm aluminium water pump pulley Steel 56mm alternator pulley with 17mm bore Sui...

CNC machined from high quality materials this pulley set will give your engine bay a sleek, modern look while improving belt grip over the standard V-belt setup. Set includes: - Billet 121mm aluminium crank pulley - Billet 103mm aluminium water pump pulley - Steel 56mm alternator pulley with 17mm bo...

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.

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...