MAXIMA SKU: 78-99931

Maxima V-Twin Synthetic Oil Change Kit with Black Filter - Harley Milwaukee-Eight

$484.000,00
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About Maxima

Maxima Racing Oils has blended lubricants in California since 1979 and supplies factory race teams across powersports. Its V-twin oils are formulated for the shared-sump and air-cooled realities of American engines.

Ensure peak performance and longevity for your Harley Milwaukee-Eight engine with the Maxima V-Twin Synthetic Oil Change Kit. This comprehensive kit includes everything you need for a complete oil service, featuring premium synthetic motor oil and a stealthy black filter. Keep your M8 running strong and clean with a professional-grade oil change.

Why riders pick this

  • Full synthetic motor oil for Milwaukee-Eight engines
  • Black ProFilter with extended-life M-Pleat technology
  • Includes drain plug O-ring and ProFilter wrench
  • Silicone anti-drain back valve for enhanced engine protection
  • Meets or exceeds OEM specifications for warranty compliance

This Maxima V-Twin Synthetic Oil Change Kit is specifically formulated for Harley-Davidson Milwaukee-Eight engines, providing superior lubrication and protection. The kit simplifies your maintenance routine by including all necessary components: Maxima's high-performance synthetic motor oil, a new drain plug O-ring, a black ProFilter spin-on oil filter, and a convenient ProFilter wrench for easy installation and removal. Trust Maxima to meet or exceed OEM specifications, safeguarding your engine and warranty.

Complete Protection and Easy Maintenance

  • Premium synthetic motor oil for optimal engine performance
  • Durable black ProFilter spin-on filter with M-Pleat technology for extended life
  • Includes a new drain plug O-ring for a leak-free seal
  • ProFilter wrench for quick and hassle-free filter changes
  • Silicone anti-drain back valve prevents dry starts and protects components

Keep Your Milwaukee-Eight Running Strong

Regular oil changes are crucial for the health of your Milwaukee-Eight engine, and this Maxima kit makes it straightforward. The synthetic oil offers excellent thermal stability and wear protection, while the ProFilter's M-Pleat technology increases filter surface area for improved contaminant capacity. This kit is an essential investment for any M8 owner looking for quality maintenance components and peace of mind.

Specifications

  • Brand: Maxima
  • Manufacturer Part #: 90-129018PB
  • UPC: 851211007919
  • Length: 11.5 in
  • Width: 10.75 in
  • Height: 10.5 in
  • Weight: 18.4 lbs

Common questions

Is this oil change kit suitable for my Harley-Davidson Milwaukee-Eight engine?

Yes, this Maxima V-Twin Synthetic Oil Change Kit is specifically designed and formulated for Harley-Davidson Milwaukee-Eight (M8) engines.

What is included in this Maxima oil change kit?

The kit includes Maxima synthetic motor oil, a drain plug O-ring, a black ProFilter spin-on filter, and a ProFilter wrench for easy filter removal.

Will using this kit void my Harley-Davidson warranty?

No, all components in this Maxima V-Twin Synthetic Oil Change Kit meet or exceed OEM specifications, so using it will not void your new vehicle warranty.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDMaxima
TYPETools
SKU78-99931
WEIGHT18.4 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.68
199 RATINGS
5★ 157
4★ 30
3★ 6
2★ 2
1★ 4
✓ VERIFIED
Jan 9, 2026

All in one

Everything in the kit is great although I did have to order another quart of primary oil as my primary goes for 38 ounces

— Gordon H
✓ VERIFIED
Jul 26, 2025

Oils changed

Did not have Primary cover gasket that was needed. Did not have enough Primary oil, motorcycle required 38 oz., only got 32 oz.. Had to go purchase more.

— Joe K
✓ VERIFIED
May 7, 2023

I ring for primary case too big,no gasket for primary inspection plate.Other than that fine

— DAVID S
✓ VERIFIED
Nov 14, 2022

I have a 2014 streetglide ,<br /><br />There wasn’t enough primary oil , (you need 2quarts) actually to be specific you need 38 oz a quart is 32 had to go to Harley pay $20 for a quart

— Anonymous
✓ VERIFIED
Apr 24, 2026

Watched a YouTube video and changed the three (3) hole fluids and filter myself. Easy and saved a few bucks by doing it myself.

— Daniel G
✓ VERIFIED
Jan 31, 2026

👍🏼👍🏼👍🏼

It’s an oil change kit.

— Stephen C