Good-Win Racing Mazda Performance Parts

2.8 Inch Pulley + Belt Combo for MP62 Supercharger

2006-2015

Miata MX5 2006-2015 · Superchargers-Turbos


Part Number: 61-1942

Application: 2006-2015

Price: $159.00

Quantity:

2.8 Inch Pulley + Belt Combo for MP62 Supercharger
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Want MORE power from your MP62 supercharger kit? This 2.8 inch pulley is a direct replacement and bumps the boost up to about 12 psi. Same pulley we used on our Silver NC to hit 262 HP on pump gas with our built 2006 motor and we continue to use it to this day for over 300 HP at the wheels with E85 fuel.

Pulley is made from hard anodized 6061 T6 billet aluminum.

Includes a new accessory belt in the appropriate length for this smaller pulley for cars with A/C and power steering.

Fits MP62 supercharger kits.. both ours and the other guys'.

2009+ motors can handle this increased boost pressure. We do NOT recommend adding this on stock 2006-2008 motors due to the weaker internals.

Re-tune is REQUIRED.
Higher boost means you need more fuel. But not to worry! The injectors in our MP62 kit are sized large enough to supply the required fuel even for this boost level, with just a re-tune. If you wish to run E85 fuel along with this smaller pulley size, you'll need larger injectors and fuel pump.

*** Product images may differ from actual product appearance ***

REVIEWS

RE: RoadsterSport Stainless MX5 Miata Midpipe Part# 60-1328: I love the mid-pipe!! Not only is it beautiful, but it makes the sounds coming out of the 'race single' exhaust even better. The two go well together, and it mellows the decel drone a lot. I'm very happy with my purchase.

-- Pat R.

After reading many other positive reviews on both the GWR and Miata forums I finally decided to buy this product. My main concern for many months was whether or not I was up to the task of installing the header. But with the excellent instructions on Brian's forum as well as several Miata forum threads it turned out easier than I expected. After receiving notice that the header would arrive on a Friday afternoon, I began the disassembly process. After about 3 hours I had the stock manifold out. Later that afternoon the new catted header arrived right on schedule. And it is a thing of beauty. I opted for the stainless version. Installation on Saturday morning took another 3 hours, although I could have shaved some time off of that but I was actually enjoying the process of double checking torque values and cleaning up my engine compartment. I already have the GWR catted midpipe, so that connection was a snap. I put everything back together, reconnected my battery, and went for a drive. NO CODES! Nice throaty sound with my RSII muffler, and a significant boost in power and low/mid torque. Another happy camper here. I since have added a M-E tune and I feel I have realized all of the gains that Brian has achieved on his 2012 project Miata. I've put several hundred miles on my Miata since the install with zero problems. This is the car that Mazda should have built all along. Thanks Brian.

-- Ron P.

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