SKU: 3801541373

CNC Flywheel for conversion Nissan SR - BMW M57N HGU HGK / N54 - 240mm / 9.45"

$248.63 $276.26
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Description

CNC Flywheel for conversion Nissan SR - BMW M57N HGU HGK / N54 - 240mm / 9.45"PMC Motorsport Custom flywheel Nissan SR20 SR20DET BMW M57N M57N2 ZF GS6 53DZ HGU HGK E90 325D 330D 6 speed N54 135i 335i 535i ZF GS6 53BZ 240mm 9. 45" Aluminium custom flywheel designed to connect the Nissan SR20 SR20DET engine to the BMW gearbox. What sets us apart: The lightweight aluminium flywheel has a replaceable cast iron friction surface, each unit is carefully checked and balanced before shipment We use a measuring arm and a high quality 3D

PMC Motorsport Custom flywheel
Nissan SR20 SR20DET - BMW M57N M57N2 ZF GS6-53DZ HGU HGK E90 325D 330D 6-speed / N54 135i 335i 535i ZF GS6-53BZ - 240mm / 9.45"

 

Aluminium custom flywheel designed to connect the Nissan SR20 SR20DET engine to the BMW gearbox.

 

What sets us apart:

The lightweight aluminium flywheel has a replaceable cast iron friction surface, each unit is carefully checked and balanced before shipment
We use a measuring arm and a high-quality 3D scanner in the design process
Thanks to the use of a measuring arm during the design process and the use of precision CNC machines - the adapter ensures perfect concentricity of the engine and gearbox

State-of-the-art CNC machinery and qualified staff.
Certified materials

 

Matching engines:
Nissan SR20DE
Nissan SR20DET
Matching gearboxes:
BMW M57N2 23.00 7565213 ZF GS6-53DZ HGU (THGU) 6-speed 1067 010 014 ZF 1067 401 116 1067401116 BMW OEM 23 00 7 571 420 / 23 00 7 560 725
BMW E90 325D 330D E90N 325D M57N2 E91 325D 330D E91N 325 M57N2 E92/e93 325D 330D M57N2
BMW M57N2 23.00 753 9000 ZF GS6-53DZ HGK (THGK) 6-speed 1067 010 004 ZF 1067 401 116 1067401116
BMW E90 325D 330D E90N 325D M57N2 E91 325D 330D E91N 325 M57N2 E92/e93 325D 330D M57N2
BMW N54 23.00 7565215 ZF GS6-53BZ HGX (THGX) 6-speed 1067 010 016 ZF 1067 401 127 1067401127 BMW OEM 23 00 7 571 423 / 23 00 7 567 242 BMW E60 535i E90 335i N54
BMW N54 23.00 7581859 ZF GS6-53BZ JGK (TJGK) 6-speed 1067 010 019 ZF 1067 401 127 1067401127 BMW OEM 23 00 7 581 860 BMW E82 135i N54 E88 135i N54

Installation instructions
An adapter is required to connect the engine to the gearbox.
Tighten the flywheel with the same torque as the OE.
The bearing and clutch paw remain from your gearbox. If you have a bearing with two height positions - use the 28.5mm position
Replace the original ball stud with the custom one from the kit.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 3801541373

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4.7 ★★★★★
Based on 1141 reviews
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Product Reviews
M
mike
Lexington, US
★★★★★ 5
Helpful Tool Kit for MerCruiser Maintenance
This tool kit made servicing the gimbal bearing and checking engine alignment much easier than improvising with generic tools. The machining looks solid and the tools fit properly with MerCruiser components. Helpful set for anyone doing their own marine maintenance work. Definitely useful to have around for sterndrive service jobs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
J
Jo Bo
Alexandria, US
★★★★★ 5
Saves So Much Time, Perfect Fit On Mercruiser Pre-Alpha Outdrive.
This is a very useful kit. Perfect fit to exchange and align the gimbal bearing on a Mercruiser MR/Pre-Alpha Outdrive. The metal rods are strong and well machined to fit the gimbal bearing and the template lines up great with the housing studs. The overall production quality is very good. Great value because the tools are very durable but for me the biggest value is the time saved. I had the bearing out in about 10 minutes. The ability to line up the bearing before attempting to attach the outdrive upper gear unit is very convenient and saves so much time. This are simple tools, very easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
R
Rick
Carnegie, US
★★★★★ 5
Easy to use
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
S
Verified Purchase
Steve M.
Chelsea, US
★★★★★ 5
Works well. You need to drill a 3/8” hole
Appears to be well made, alignment bar slides in nicely. As stated, you need to drill a hole in the bar for the gimble bearing driver, the directions are not clear, what I did was before I take out the old gimble bearing, put an O ring on the bar close to the last step on the bar, slide the bar all the way in, then carefully slide the bar out, this marks the distance from the back of the gimble bearing to where the shaft on the outdrive bottoms out, move the O ring a 1/4” towards the stepped part of the alignment tool (this is so you won’t bottom out the alignment tool when driving the gimble bearing in) then slide the driver puck up to the O ring and use a 3/8” diameter transfer punch through the side hole in the puck to mark the bar. You need to drill a 3/8” diameter hole in the alignment bar, two V blocks, some clamps, and a drill press will make drilling much easier, after the bar is securely mounted and centered in the drill press, use a center drill, then 1/4” drill first, using plenty of oil, drill all the way through, then use the 3/8” drill, deburr both sides and you should be good to go. People complain that it doesn’t come pre-drilled, the reason is that not all out drives are the same so you have to fit it to the outdrive that you have. Fortunately, I have a machine shop at my house and have a jig setup with various drill bushings, but the method I described above should work for you. Just make sure you’re perfectly centered and secure before you start drilling.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
N
Verified Purchase
Nancy filippi
New York, US
★★★★★ 5
A must pull your gimbal bearing
You do need to drill a hole but worked perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025

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