Good-Win Racing Mazda Performance Parts

ACT MX5 Stage 1 Clutch and Flywheel Combo

2016-2018

Miata MX5 2016-2018 · Clutch-Flywheel-Drivetrain


Part Number: 61-2147

Application: 2016-2018

Reg. Price: $937.00

Sale Price: $796.45

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ACT MX5 Stage 1 Clutch and Flywheel Combo
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ACT Stage 1 "Street" Clutch and Flywheel combo. This combo comes complete with Flywheel, Pressure Plate, Clutch Disc, Throw Out Bearing, Pilot Bearing and Clutch Alignment Tool.

Stage 1 Clutch:

Combines a Heavy Duty pressure plate with a performance organic street disc with sprung hub which makes for a clutch that is still reasonably easy to drive in all street conditions, but paired with the heavy duty pressure plate this combo is able to hold more than twice the torque of the factory clutch. The disc features premium organic friction materials able to withstand increased heat and abuse, steel-backed linings for high burst strength and modifications engineered for quicker shifting. The ACT Street clutch kit provides a moderate and consistent pedal feel, smooth engagement and significantly improved durability. Meets SFI Spec 1.1.

ACT Stage One Heavy Duty Clutch Kit is rated for 310 ft lbs of torque (at the flywheel). We recommend this clutch for anyone adding a turbo or supercharger to their MX5.

Streetlite Flywheel:

ACT XACT StreetLite Fywheels is 12.3 lbs and provides improved engine response, acceleration and a higher degree of safety than the heavy stock flywheel. Stock flywheel is 15.2 lbs.
StreetLite Flywheels are true one-piece designs CNC machined from forged Chrome-moly which is stronger and more durable than billet steel or aluminum. This flywheel can be resurfaced with no need to purchase additional parts.

Good Drivability. The 'just right' weight for street fun that won't annoy you in stop and go traffic.
Brian's Notes: Below 4500 rpms this flywheel will feel about the same as stock except that you need a little more gas to get going since you have dropped a few pounds of rotating mass that was previously helping you off the line. I do notice a little more vibrations from 6000 and up, which again is the expected result of less dampening spinning mass than before. On our scale this flywheel weighed in at 12.3 pounds compared to stock 15.2 pounds.

Photo from our trip to the ACT booth at SEMA 2016 with ND clutch on display:

Installation video courtesy of ACT:

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

REVIEWS

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.

Purchased the RS Max Power header and midpipe. THESE ARE TRUELY A WORK OF ART! CRAFTMANSHIP IS TOP NOTCH!! SITE PICS DO NOT DUE JUSTICE TO THESE ITEMS! I recommend Brian's site to ANYBODY with a Miata/MX 5. Brian and Co have taken a great automotive platform and elevated it to it's FULL POTENTIAL!

-- David R.