SKU: 77951619953

RTS M75, M76, M78 Differential Gear & Bearing Kit, 28spl Mini Spool, 3.45:1, Holden Commodore V6 & V8, VN,VP,VR,VS, Ford BA,BF,EB-AU Non Turbo, Kit - RTS-M78-345-MS-KIT

Sale price$304.20 Regular price$338.00
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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24

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Description

RTS M75, M76, M78 Differential Gear & Bearing Kit, 28spl Mini Spool, 3.45:1, Holden Commodore V6 & V8, VN,VP,VR,VS, Ford BA,BF,EB-AU Non Turbo, Kit - RTS-M78-345-MS-KITPart Number: RTS M78 345 MS KIT RTS' ring and pinion sets and mini spool kits are manufactured to meet and exceed OEM specifications that are required for todays performance cars. The design, tooling, steel selection, and heat treat recipes are all controlled by the RTS manufacturing factory to produce cost alternative ring and pinion sets. Available in a wide variety of gear ratios for your modern Holden Commodore or Ford Falcon. RTS bearing kits are

Part Number: RTS-M78-345-MS-KIT

RTS' ring and pinion sets and mini spool kits are manufactured to meet and exceed OEM specifications that are required for todays performance cars. The design, tooling, steel selection, and heat-treat recipes are all controlled by the RTS manufacturing factory to produce cost-alternative ring and pinion sets. Available in a wide variety of gear ratios for your modern Holden Commodore or Ford Falcon.

RTS bearing kits are carefully put together with top name brands to make life easier when rebuilding your late model Beam or IRS differential. These include all the necessary components required - bearings, pinion seal, crush sleeve, marking paste, Loctite®, gaskets or o-rings.

Note: Due to the many variations of the M78 diff we are listing the bearing numbers supplied in kit

Pinion Bearings: HM88649/HM88610 & M86649/M86610

Carrier Bearings: LM102949/102911

*Pinion nut supplied is metric version, Some pinions use a  3/4-16 imperial thread and is N/A at this stage

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: 77951619953

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4.5 ★★★★★
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Evan C. Lombardi
Waukegan, US
★★★★★ 5
European oil… Japanese engine… zero regrets 🇪🇺➡️🇯🇵
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40, Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Yes, I know what the label says. “European Car Formula.” Yes, I put it in a 2002 Subaru WRX bugeye with an EJ257 block and EJ205 heads. And yes—this oil absolutely slaps. This engine is not stock, not delicate, and definitely not living an easy life. It sees spirited driving, boost, and the occasional questionable decision. After switching to Mobil 1 0W-40, cold starts are smoother, oil pressure is rock solid, and the motor just feels happier. No weird noises, no drama, no oil consumption surprises. The viscosity is perfect for a performance Subaru build, especially if you’re running tighter tolerances or want strong protection under heat and load. It’s thick enough when hot, flows great when cold, and inspires confidence every time I turn the key. Is it technically “European”? Sure. Does my Subaru care? Not even a little. If you’re running a built engine, turbo setup, or just want a proven, high-quality oil that punches above its weight, this stuff earns its reputation. My bugeye may not be European, but it’s living its best life on this oil. Would absolutely buy again—passport not required.
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Reviewed in the United States on January 18, 2026
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Ruben
Whiting, US
★★★★★ 4
Great oil
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
No issues
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Reviewed in the United States on May 17, 2026
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Jose Perez
Natrona Heights, US
★★★★★ 5
they give what they offer
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
great service from seller it was exactly how much oil quantity i ordered and its great quality
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Reviewed in the United States on May 29, 2026
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Dustin
San Leandro, US
★★★★★ 5
Works if you need help. Not a miracle in a bottle.
Size: 1 Count (Pack of 1)
It has worked every time I've used this product. Won't fix a damage catalytic converter but will help you pass the test if your car almost passed.
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Reviewed in the United States on May 28, 2026
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Leslie Price
Omaha, US
★★★★★ 5
Worked like a charm.
Size: 1 Count (Pack of 1)
Used it as directed. Down to an eighth of a tank. Poured it in and added enough gas to get back to one half a tank. Wanted to get it mixed in really well. Immediately jumped on the interstate and ran 75 MPH for 40 miles. Stopped and filled the tank and when I restarted the engine, the light was off. Coincidence? Not a chance. Light had been on continuously for weeks. AutoZone said I needed a catalytic converter. Nope. One thing I found out the hard way. If your gas filler has a flap at the top, make sure it is easy to push aside. Mine had a little release button near the top that the filler hose would depress before the flap would release. Dumped the first bottle right on the ground. Twelve bucks wasted. No one to blame but me, I guess. Still a bargain, even at twice the price.
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Reviewed in the United States on February 17, 2026

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