Steel Thunder Custom Cycles - parts and accessories for your American V-twin custom or Harley Davidson Motorcycle. © STCC HOME

FUEL SECTION (Gas, Oil, Air)

Air Cleaners & Covers
air cleaners and air cleaner covers and velocity stacks
oil tanks, oil lines, oil
Carburetors & rebuild kits
Dash/Instrument Panels
Fuel Injection Control
Fuel Valves / Petcocks
Gas Caps
Gas Tanks & Hardware
Gas Tanks for Sportster
Gas Tank Cleaner/Prep System - Kreem
gas tanks
Kreem gas tank cleaner and prep
oil filter
Oil Coolers
Oil Line Kits
Oil Pressure & Tank Gauges
Oil Pumps
Oil Tanks
S&S Quick Set Up Kits - Exhaust and Air Cleaner kits for bike upgrades, on "air" page.
Velocity Stacks


Case of 6 one quart bottles.


Lucus Synthetic Oil for Evo & Twin Cam Harley-Davidson motorcycles. Buy a case of 6 and save!HIGH PROFORMANCE ENGINE/TRANSMISSION/PRIMARY OIL FOR ALL MODELS - Lucas Oil Products

20W-50 Viscosity, Synthetic

Lucas Motorcycle Oil is built for endurance, lasting up to 4 times longer than other brands. It will also lower oil temperatures, extend the life of vital components, reduce noise and leaks and increase performance.
Our SAE 20W-50 is also an excellent gear oil and primary oil.
All Lucas motorcycle oils meet or exceeds: API SG/SF/CC/CD, JASO MA, ACEA A3 specifications. Official oil product of NHRA.
A 100% synthetic oil. Made in the U.S.A.
For use in Evolution & Twin Cam models, and all air-cooled or water-cooled 4-stroke engines calling for a 20W-50 motor oil.

Part#:05021- Lucas Oil, 20W-50 Viscosity, Synthetic, 1 quart bottles, Pack of 6 ( Note: Not Shippable by Air.) ... $54.00 including free shipping*.

Velocity Stacks












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Steel Thunder Custom Cycles

152 York Drive

Marshfield, MO 65706