Red Line 20W50 Big Twin Power Pack Oil Package - Complete Kit

In this review the Red Line 90226 Big Twin 20w50 Power Pack is evaluated as a complete service kit for motorcycles with Evolution and Twin-Cam engines. The bottom line: it is aimed at riders who want a single box that contains the oils and extras needed for a full fluid change, and the single biggest reason to buy is convenience combined with high-quality synthetic 20W50 that customers say improves smoothness and reduces engine noise. This review looks at what is included, who benefits, and the real-world effects reported by owners.

Key Features

• Complete oil set: Includes 5 quarts of 20W50 Motorcycle Oil so one kit covers a multi-quart engine fill for Big Twin engines without mixing brands.
• Transmission and primary oils: Comes with 1 quart of V-Twin Transmission Oil with ShockProof and 1 quart of Primary Chain Case Oil so both driveline compartments are serviced with compatible fluids.
• Fuel system care: A bottle of Fuel Injection Cleaner for Motorcycles is included to help remove deposits and support smoother idle and throttle response after a service.
• Service extras: The package contains a versatile funnel and a chrome K&N high performance oil filter to make the change quicker and cleaner.
• Brand extras: Sticker kit and Red Line Oil embroidered hat are included as add-ons that reinforce value and brand confidence.

Who It's For

The kit is best for owners of Harley-style motorcycles equipped with Evolution or Twin-Cam engines who prefer to buy a single package for a complete service. It suits home mechanics who want a matched set of engine, transmission, and primary oils plus filter and cleaning supplies in one purchase.

Riders who only need a single quart of engine oil or who prefer a different viscosity should look elsewhere, and those who want OEM-branded fluids for dealer-level warranty compliance may choose manufacturer-specific products instead.

Pros & Cons

Pros

• Good value: customers report the kit contains everything needed for a full fluid change, reducing separate purchases.
• Notable performance: users say the bike runs smoother and sounds quieter after switching to the 20W50 synthetic blend.
• Cooling effect: several riders observed lower running temperatures, with noticeable drops in operating temps after the change.
• Complete filter and funnel: includes a chrome K&N high performance oil filter and a versatile funnel for cleaner service work.

Cons

• Size and contents: the kit is an extra large package that may be more than needed for riders who only require a single item or a partial service.

Specifications

Product	Big Twin 20W50 Power Pack Oil Package
Engine oil	5 quarts of 20W50 Motorcycle Oil
Transmission oil	1 quart V-Twin Transmission Oil with ShockProof
Primary oil	1 quart Primary Chain Case Oil
Fuel care	Bottle of Fuel Injection Cleaner for Motorcycles
Filter	Chrome K&N high performance oil filter
Extras	Versatile funnel, sticker kit, embroidered hat

Our Verdict

The Red Line Big Twin Power Pack is a practical, value-oriented kit for owners of Evolution and Twin-Cam motorcycles who like to do complete services at home. It bundles high-quality 20W50 oil, driveline fluids, a chrome filter and service extras so buyers get consistent fluids and a cleaner change process at a competitive package price.

Frequently Asked Questions

Does this kit include a high performance oil filter?
Yes, the package includes a chrome K&N high performance oil filter suitable for the intended Big Twin engines.

Will this oil work for Evolution and Twin-Cam engines?
Yes, the kit is described as a complete kit for motorcycles equipped with Evolution and Twin-Cam engines and contains 20W50 motorcycle oil appropriate for those applications.

Are service tools included?
The kit includes a versatile funnel to assist with fluid changes and also contains a sticker kit and an embroidered hat as extras.