Steel Thunder Custom Cycles Motorcycle Parts store for Harley-Davidson and custom bikes.

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Steel Thunder Custom Cycles
3418 Teagues Road
Marshfield, MO 65706
417-468-2326

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Thank you for shopping at Steel Thunder Custom Cycles online motorcycle parts store!

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Oil Tanks, Oil Coolers, Oil Line Kits, Oil, etc.

For Your American V-Twin Custom or Harley Davidson Motorcycle. 

Oil Pumps

Round Oil Tank for Custom Use, 3.5 quart.

Round Oil Tanks for Custom Use - Side Fill, 3.5 quart - Hardbody

If you are after that traditional chopper look, then this rubber mounted steel 3.5 quart oil tank with a battery tray is the perfect choice. With a side fill cap, they are manufactured from 16 gauge steel to resist cracking and 100% TIG welded for maximum strength. Each tank includes a heavy duty front mount and a chrome fill plug. These tanks use a Softail size battery and our 83548 OE style rear tank mount. For best results use our 80627 rubber mounts and 10807 battery cushion. Designed in this tank is an extended internal oil return tube that dumps the hot returned engine oil to the far left side of the oil tank. This keeps the returned oil as far away from the feed line as possible, creating an efficient circulating effect. A lower left hand relief has also been built in that can be used with a chain or belt drive. This tank measures 11 3/4" long and has a 6 1/2" O.D. Fits all HARDBODY FAT-A-TUDE, chopper style and rigid frames. Also fits OE Softail frames 1984/1999 if a front horseshoe type mount is fabricated and welded to the seat post. Chrome Plated.
Side Fill with battery tray.
Part#:M86075 - $248.56 including free shipping.

Custom Round Oil Tank, 4.5 quart, without battery box, side fill. Made in USA.

Custom Round Oil Tanks - 4.5 quart without battery box, side fill - Hardbody by Kraft/Tech

This rubber mounted steel Oil Tank has side fill cap. The side fill tanks are designed for easy access when adding to or checking the oil. Made from 16-gauge steel to resist cracking, these tanks are 100% TIG welded for maximum strength.
4.5 Quart side fill without battery box. This Oil Tank requires custom brackets to be fabricated for frame mounting. It has two mounting locations on the top and one on the bottom. For best results use our 83563 rubber mounts. All oil line fittings are threaded 1/8-27 NPT. Tank measures 11 3/8" long and has a 5 1/2" O.D. Fits custom applications and most rigid frames . Chrome Plated. Made in USA.
Part#:M86071 - $244.99 ncluding shipping.

Custom Round Oil Tank, 3.5 quart, with battery box, center fill. Made in USA by Kraft Tech.

Custom Round Oil Tanks - 3.5 Quart with battery box, center fill - Hardbody by Kraft/Tech

Rubber mounted steel Oil Tanks with center fill and battery box. The center fill style was designed for the cleanest look possible by positioning it in the middle of the tank, out of view as much as possible. Made from 16-gauge steel to resist cracking, these tanks are 100% TIG welded for maximum strength. Includes heavy duty front mount and fill plug. Use with Softail size battery and our MU83548 OE style rear tank mount. For best results use our MU80627 rubber mounts and MU10807 battery cushion. Also uses 1/8 NPT fittings for vent, return & feed lines, and 1/4 NPT fittings for oil drain. These tanks feature Hardbody's exclusive oil return routing system. They have extended the internal oil return tube allowing it to dump the hot returned engine oil to the far left side of the oil tank. This keeps the returned oil as far away from the feed line, creating an efficient circulating effect. A lower left hand relief has also been built-in that can be used with a chain or belt rear drive. Tank measures 11 3/4" long and has a 6 1/2" O.D. Chrome plated. Made in USA.

3.5 Quart center fill with battery box. Fits all HARDBODY Fat-a-tude, chopper style, and rigid frames. Also fits OE Softail frames 1984/1999, if a front horseshoe type is fabricated and welded to the seat post. Part#:M86069 - $512.99 including free shipping.

Custom Round Oil Tank, center fill.

Center Fill or Side Fill

Custom Round Oil Tank, side fill. Shown installed.

HARDBODY CUSTOM ROUND OIL TANKS

These tanks feature our exclusive oil return routing system. The internal oil return tube is extended allowing it to dump the hot returned engine oil to the far left side of the oil tank. This keeps the returned oil as far away from the feed line, creating an efficient circulating effect.
3.5 Quart with Battery Tray.
Lower left hand relief for use with a chain or belt rear drive.
Measures 11 3/4 " long and has a 6 1/2" O.D.
Made from 16 gauge steel to resist cracking.
100% TIG welded for maximum strength.
Designed for the cleanest look possible by positioning the fill in the middle of the tank, out of view as much as possible.
Includes heavy duty front mount and fill plug.
Use with Softail size battery and OE style rear tank mount.
Uses 1/8-27 NPT fittings for oil drain.
For best results use our 80627 rubber mounts and 10807 battery cushion.

Fits all HARDBODY FAT-A-TUDE, chopper style, and rigid frames. Also fits OE Softail frames 1984/1999 if our #M85152 Front Tank Mount is used.(OPTIONAL WITH PURCHASE, mount comes with hardware... $9.15)

Raw Steel Flat Side:

#M86080 - Center Fill ... $226.39 incl. shipping*

Options:

#M86081 - Side Fill ... $226.37 incl. shipping*

Options:

NEW!

Domed Side Round Oil Tank

Choice of center fill or side fill

Round oil tank with domed side, choice of center or side fill.

 

 

 

DOMED SIDE HARDBODY CUSTOM ROUND OIL TANKS

These tanks feature our exclusive oil return routing system. The internal oil return tube is extended allowing it to dump the hot returned engine oil to the far left side of the oil tank. This keeps the returned oil as far away from the feed line, creating an efficient circulating effect.
3.5 Quart with Battery Tray
Lower left hand relief for use with a chain or belt rear drive.
Measures 11 3/4 " long and has a 6 1/2" O.D.
Made from 16 gauge steel to resist cracking.
100% TIG welded for maximum strength.
Designed for the cleanest look possible by positioning the fill in the middle of the tank, out of view as much as possible.
Includes heavy duty front mount and fill plug.
Use with Softail size battery and OE style rear tank mount.
Uses 1/8-27 NPT fittings for oil drain.
For best results use our 80627 rubber mounts and 10807 battery cushion .

Fits all HARDBODY FAT-A-TUDE, chopper style, and rigid frames. Also fits OE Softail frames 1984/1999 if our MU85152 Front Tank Mount is used. (OPTIONAL WITH PURCHASE, mount comes with hardware... $9.15)

Part#:M86082 - Chrome Plated Domed Side with Center Fill ... $319.37 including free shipping*

Options:
Part#:MU86083 - Chrome Plated Domed Side Side Fill ... $319.37 including free shipping*
Options:
Custom horseshoe oil tank for kickstart Big Twin.

CUSTOM HORSESHOE OIL TANK FOR KICKSTART BIG TWIN by Paughco

Available with spin-on oil filter provision or no oil filter provision for use with external oil filter mount.
4 quart capacity with side fill.
Measures 7" tall, 8 5/8" deep and 10" wide.
Battery compartment is 5 3/8" wide and 5 3/8" deep.
These oil tanks are designed to be used with OE style battery/oil tank mounting plate or our 10126.
The three oil line adapter fittings are designed for OE style metal oil lines and screw into tank but can be substituted for any 1/8-27 NPT fittings.
The drain plug hole is tapped 5/8-18 for drain plug of your choice.
Thanks include fill plug and three oil line fittings.
86042 includes a chrome oil filter with a 5/8-18 mounting thread.
Fits Big Twin rigid frames 1936/1957 or early Big Twin swingarm frames 1958/1964 with kickstart and steel primary covers. Made in USA by Paughco.

Part#:M86042 - Chrome plated with filter provision. Price $337.10 including shipping*

Winged horseshoe oil tank for wide tire Softail and Fat-A-Tude rigid frames. Made in the USA by Kraft Tech. Chromed.

Winged Horseshoe Oil Tank for Wide Tire Softail and Fat-A-Tude Rigid Frames - Hardbody by Kraft/Tech

Due to the additional width of our HARDBODY Wide Tire Softail Frames, a standard width Winged Oil Tank would interfere with the action of the rear fork. WE now offer these steel side fill winged oil tanks to fit your Wide Tire Frame, in your choice of a chrome plated finish or a raw steel finish. A chrome plated fill plug is included with both oil tanks. These oil tanks hold slightly over 3 quarts of oil and can be used with any 1984/1996 Softail style battery. A special feature of these tanks is the Internal Oil Routing. Rather than dumping the hot returned oil near the feed line like most oil tanks, our oil tanks dump the returned oil to the far left side of the tank as far away from the feed line as possible. This internal line separation method creates an extremely efficient circulating effect producing cooler oil temperatures.
Chrome plated. Made in USA.
Part#:M86066 - Chrome - $272.86 including shipping* <

Winged horseshoe oil tank for wide tire Softail and Fat-A-Tude rigid frams. Raw steel. Made by Kraft Tech in the USA.

Raw Steel for Painting!

Winged Horseshoe Oil Tank for Wide Tire Softail and Fat-A-Tude Rigid Frames - Raw Steel - Hardbody by Kraft/Tech

Due to the additional width of our HARDBODY Wide Tire Softail Frames, a standard width Winged Oil Tank would interfere with the action of the rear fork. We now offer these steel side fill winged oil tanks to fit your Wide Tire Frame, in your choice of a chrome plated finish or a raw steel finish. A chrome plated fill plug is included with both oil tanks. These oil tanks hold slightly over 3 quarts of oil and can be used with any 1984/1996 Softail style battery. A special feature of these tanks is the Internal Oil Routing. Rather than dumping the hot returned oil near the feed line like most oil tanks, our oil tanks dump the returned oil to the far left side of the tank as far away from the feed line as possible. This internal line separation method creates an extremely efficient circulating effect producing cooler oil temperatures.
Raw. Made in USA.
Part#:M86065 - Raw Steel - $179.99 including shipping*

Winged Horseshoe Oil Tank for Wide Tire Swingarm motorcycle frames.

Custom Horseshoe Oil Tank for Big Twin 4 Speed - Hardbody by Kraft/Tech

These 3 1/2 quart side fill horseshoe oil tanks are chrome plated without the oil filter option (for remote filter). The special feature of these side fill oil tanks is its routing of hot returned oil from the engine. Rather than dumping the returned oil near the feed line like most oil tanks, our tank dumps the returned oil to the far left side of the tank as far away from the feed line as possible. This internal line separation method creates an extremely efficient circulating effect producing cooler oil temperatures. These steel tanks are completely TIG welded and pressure tested for leaks and include a welded-in battery mounting plate. Use with a 1984/1990 Softail battery or a 1991/1996 Softail battery depending on what side you want the positive battery terminal on. Tanks include a fill plug, drain plug and the oil line fittings are conveniently marked for no guess work installation.
Chrome plated without filter. Made in USA.

Part#:M86030 ... $212.43 including shipping*.

Oil tank for XL Sportster rigid frames from Paughco.

Rigid Sportster

Oil Tanks for XL Rigid Frames by Paughco

This oil tank is for use with the 'Swedish' and 'Chopper' style rigid Sportster frames manufactured by Paughco. Drain plug sold separately. Made in the USA by Paughco.

#CC632247 - Oil tank for use with Paughco XL rigid frames ... $157.93 including shipping*                                                         

OPTIONAL WITH PURCHASE: #CC632248 - Oil tank drain plug ... $4.99 with free shipping with oil tank.

Options:

Paughco rigid frames for Sportster can be found on our Sportster Frames page.

Crown Style - Kirk's Customs Rocker cover mount for 1-1/2 inch oil pressure gauge.

Arch style gauge mount.

 Rocker cover mount for oil pressure gauge shown with installed gauge.Call to order Auto Meter gauge. 1-866-889-7828

ROCKER COVER MOUNTS FOR 1 1/2" PRESSURE GAUGE - Kirk's Customs

3/8" thick CNC machined 6061 billet aluminum.
Set screw (hidden) holds instrument in place.
Includes spacers.
Requires 1" longer mounting bolts.

Mounting bolt spacing is 3 inches.

Part#: MU85209 - Crown Style Gauge Mount, Fits Twin Cam 1999/Later and Pre-2000 Evolution with S&S 2-piece Style Rocker Boxes ... $106.85 including shipping*

Part#: MU85210 - Arch Style Gauge Mount, Fits Twin Cam 1999/Later and Pre-2000 Evolution with S&S 2-piece Style Rocker Boxes... $106.85 including shipping*

Billet chrome plated oil cooler with twin vertical tubes, fit on downtubes.

Required stand-off clamps come with cooler, you choose size.

BILLET OIL COOLER FOR MOST MODELS - V-FACTOR

Billet oil cooler has twin vertical tubes that follow the front downtubes on the frames of most models.  Chrome Plated
Comes with required standoff clamps (chrome, pair) for oil cooler, choose size in options.

Part #: M89000 - Oil Cooler and Standoff Clamps .. $130.35

Options: Choose from: 1-1/8" x 1-1/8", 1-1/4" x 1-1/8", or 1-3/8" x 1-1/8" standoff clamps.

Options:
Oil Filter / Cooler Kit for Big Twin and Sportster.
OIL FILTER/COOLER KIT FOR BIG TWIN AND SPORTSTER


Simplify oil changes while reducing your oil temperature at the same time.

Complete Kit includes 3 high-efficiency, disposable paper filter elements.
More environmentally friendly than the OEM style canister type filter.
Easily inspect the filter for unusual metal build-up during filter changes.
Finned cover acts as a heat sink and will reduce the oil temperature by about 10 degree.
Canister is designed with a 12 point head on the end for easy removal with a wrench or socket.
Overall Length is 4".
Housing thread size is 3/4-16.
Kit includes instructions.

Fits Big Twin 5 speed 1980/Later and Sportster Late 1984/03. Part#:M89068 ... $183.63 including shipping*.

Oil filter kit with regulator/recitifier mount for Big Twin Harley-Davidson.

Oil filter with regulator / rectifier mount shown installed on motorcycle.

OIL FILTER KIT WITH REGULATOR/RECTIFIER MOUNT FOR BIG TWIN - V-Factor

Great for motorcycles with a custom oil tank that does not have a provision for an oil filter.
Your two bolt type regulator/rectifier will attach directly to the top of the oil filter mount thus eliminating the OE style bracket.
Heavy duty mount is CNC machines from billet aluminum for strength and bolts directly to the front engine mounts with the supplied hardware.
Includes removable nipple type hose fittings threaded 1/8-27 NPT. For a hight tech effect we recommend using our cut-to-fit braided stainless steel oil line and our aircraft quality adapter fittings.
Uses common type 2 1/2" long spin-on oil filter with 5/8-18 thread.
Chrome plated.

Part#: M87142  - Fits Big Twin 4 speed 1970/1984 & Softail 1984/1999.  ... $91.93 including shipping*
Note: 1970/1974 models reqire an aftermarket regulator/rectifier that uses a two-bolt mount.

Oil Filter Mounting Kit for Big Twin Evo.

Oil FIlter Mounting kit shown installed on engine.

 

OIL FILTER MOUNTING KIT FOR BIG TWIN EVOLUTION - V-Factor

Contains everything needed to convert your OEM non-chrome plated oil filter assembly to this beautifully chrome plater kit at half the cost that a chrome plater would charge. This kit includes a spin-on filter that is 3 1/2" long, but can be used with any length filter with 3/4"-16 thread. Fits all Big Twin Evolution models 1992/Later and any aftermarket cases 1970/Later that is drilled and tapped for the 1992/Later style oil filter mount.

Part#: M87131 - Complete oil filter mounting kit ... $88.95 including shipping*.

Braided Stainless Steel Oil Line Kits

Braided stainless steel oil line kits for Big Twin and Sportster from Russell.

RUSSELL BRAIDED STAINLESS STEEL OIL LINE KITS FOR BIG TWIN

Replace your stock oil hoses and outdated clamps with a set of Braided Stainless Steel Hoses from Russell®. No longer will you have to wrestle with clamps or remove stainless steel splinters from your fingers for these oil lines are pre-cut for a clean custom fit and feature Chrome Plated Pro System® Hose ends for a positive seal. Designed for the most discriminating builder, these oil lines offer the utmost in durability, performance and appearance.

Made in U.S.A. Prices include shipping*

Description Part # Price Buy Now
FXR models 1991/Later M83151 $175.66
All Dyna models 1992/1998 M83155 $196.36
Love your Engine!

Case of 6 one quart bottles.

FREE SHIPPING!

Lucus Synthetic Oil for Evo & Twin Cam Harley-Davidson motorcycles. Buy a case of 6 and save!

HIGH PERFORMANCE 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#:M05021- Lucas Oil, 20W-50 Viscosity, Synthetic, 1 quart bottles, Pack of 6 ( Note: Not Shippable by Air.) ...
$76.93 including free shipping*.

*FREE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship only within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. Sorry, we do not ship to Puerto Rico.

Prefer to call in your order to Steel Thunder? Call toll-free: 1-866-889-7828. 9-5 CST M-F.

FREQUENTLY ASKED QUESTIONS

Please note that all prices are subject to change.

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Steel Thunder Custom Cycles

3418 Teagues Road

Marshfield, MO 65706

417-468-2326

We hope you'll come visit us ... we'd love to see your ride!

 

 

With God All Things are Possible!

 

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