The Aluminum Main Drive – Double Sheave Pulley for virtually all 1974-92 12A and 13B engines is designed for high performance/RPM street and moderate racing use, slowing the water pump and alternator 13-15 %, thereby reducing cavitation and power loss. The stock air conditioning pulley is accommodated. Timing marks are provided at 10 degrees ATC, 0 degrees (TDC), 10 degrees BTC, and 20 degrees BTC. PLEASE ASK IF YOU HAVE ANY QUESTIONS. Made from 6061 T6 billet aluminum. For those of you that don’t know this is the most common size that Mazda used for this pulley size.. Some pulleys are smaller or bigger from Mazda, and for a pulley that will fit all the rotary cars from 1970 to 1991 there may be some size differences. The measurement of this pulley is 3.90 inches OD. We have been in business in Washington State since 1982, We manufacture and sell quality parts for your Mazda! Thanks for stopping by and have a zoom zoom day! The item “Fits Mazda Rotary Engine Aluminum Sheave Dual Main Pulley (11469) 1974 To 1991″ is in sale since Sunday, May 7, 2017. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Belts, Pulleys & Brackets”. The seller is “atkinsrotary” and is located in Eatonville, Washington. This item can be shipped worldwide.
- Manufacturer Part Number: 11469
- Warranty: Yes
- Country of Manufacture: United States
- Part Brand: Racing Beat