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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Click here for Velocity Stacks& Breathers

Click here for Carburetors

 

 

AIR: Air Cleaners & Covers

Click here for Velocity Stacks& Breathers

Click here for Carburetors

Fuel & Air Section

Skull air cleaner kit for Twin Cam 99/L.

Click on image to see larger.

Includes outer cover, backing plate, hi-flow filter & all hardware.

SKULL AIR CLEANER KIT FOR BIG TWIN - V-FACTOR

This high performance air cleaner kit features a flying skull design which is show chrome plated.
Manufactured from extra high strength and light-weight aluminum.
Includes outer cover, backing plate, hi-flow filter element and all mounting hardware.
Can be used with OE CV carburetors or Delphi EFI.


Part#:0184092 - Chrome Plated Kit, Fits Twin Cam 1999/Later  ... $263.41 including free shipping!*

Swept Air Cleaner Kit for CV or HSR Mikuni Carburetor.

Swept Air Cleaner Kit for CV or HSR Mikuni Carburetor - V-Factor

  • Includes high flow air filter element.
  • Die cast construction.
  • Use chart below for required supports & adapters.

#MU84089 - Swept Air Cleaner Kit ... $220.97 including shipping*

REQUIRED SUPPORTS AND ADAPTERS:  Please purchase with air cleaner.  These are priced to ship with air cleaner, if you wish to purchase alone, please call.  Shipping will be added.  Please note our $35 order minimum.

Model & Year Carburetor Type Required Carb Support Notes Price Buy Now
Big Twin 1990/1991 Constant Velocity (CV) #MU84327  --- $23.85
Big Twin Evolution 1993/1999  Constant Velocity (CV) #MU84328

Includes crankcase breather.

$51.85
Constant Velocity (CV) #MU84343 Must drill backing plate. $36.65
42, 45, or 48 HSR Mikuni #MU82438 Also requires MU82882 adapter (sold below). $80.70
Twin Cam 1999/Later  Constant Velocity (CV) #MU84343 Must drill backing plate. $36.65
42, 45, or 48 HSR Mikuni #MU82435 Also requires MU82882 adapter (sold below). $80.70
Sportster 1991/Later Constant Velocity (CV) #MU84329

Includes Crankcase breather.

$50.60
Constant Velocity (CV) #MU82924 Must drill backing plate. $23.85

#MU82882 Adapter - CV AIR FILTER ADAPTER KIT FOR MIKUNI HSR

Adapts the HSR smoothbore carburetor to an OEM CV air filter assembly.
Can also be used with a custom flat backed air filter assembly designed for a CV type carburetor.

Mikuni Adapter Kit Fits HSR-42, 45 & 48mm Mikuni carburetor ... $22.80 (Please purchase with air cleaner.  These are priced to ship with air cleaner, if you wish to purchase alone, please call.  Shipping will be added.  Please note our $35 order minimum.)

High flow air filter kit for Big Twin Harley-Davidson motorcycles.

AIR FILTER KIT FOR BIG TWIN - V-Factor

High Flow.
Replaces the highly restrictive OE Air Filter and backing plate to a high flow kit for improved performance.
Designed for use with the OE 8" Round Big Twin Evolution Air Cleaner Cover.
For best results, use with an adjustable Ignition Module and low restriction Exhaust.
Requires Air Filter Support/Engine Breather Kit.
Fits Carbureted Big Twin Evolution & Twin Cam 1993/Later.

Part#:MU84351 - Complete Kit ... $102.80 including shipping*

Air Filter assembly for S.U. Carburetor.
AIR FILTER ASSEMBLY FOR S.U. CARBURETOR - Rivera

Made from stamped steel to help keep the weight to a minimum, this Air Filter Assembly includes a reusable foam element, gasket and mounting hardware. It has a 5 1/2" O.D. and is 2" thick. Fits all 4 bolt S.U. carburetors. Made in the U.S.A.
Part#:MU84033 ... $62.30 including shipping*.

Maltese cross air filter cover insert with gold iron cross .

Maltese cross air filter insert.

MALTESE CROSS AIR FILTER COVER INSERT FOR BIG TWIN - V-Factor

CNC machined from billet aluminum.
Available with your choice of black, gold or chrome cross on chrome back.
Includes mounting stud for OE style air filter cover.

Fits Big Twin Evolution 1984/1999 (Rpls. HD 29065-94)

MU84348 - Gold Cross ... $61.10 including shipping* 

MU84349 - Chrome Cross ... $55.40 including shipping*

Early style air filter for 3 hole filter mount carburetors.
EARLY STYLE AIR FILTER FOR 3 HOLE FILTER MOUNT CARBURETORS - V-Factor

Give your bike that nostalgic look by getting rid of the OEM air filter and installing this 7" round, smooth chrome plated steel Air Filter Assembly. It features a reversible foam filter, 7/8" recessed backing plate for more leg room and a 1/8" NPT straight fitting for crankcase ventilation hose. Fits Tillotson, Bendix, early Keihin and S&S (except E and G). To complete the installation, use our 82407 air filter backing plate gasket.
Part#:MU84006 ... $38.95 including shipping*
K&N High Flow AIr Filter Kit for Touring Harley-Davidson motorcycles, FL

K&N HIGH FLOW AIR FILTER KIT FOR TOURING MODEL MOTORCYCLES

Use with OEM outer cover.
Replaces restrictive OE airbox.
Provides a significant increase in air flow.
Internal breathers attach to the backing plate replacing external OE breathers.
Dyna tuned velocity stack optimizes airflow to engine.
Powder coated aluminum backing plate provides a solid mounting surface.
Includes spacers & hardware to mount your OEM cover.
Remember: Whenever changing an engine's air flow characteristics, the fuel mixture must be checked.


Part #: MU84062 - K&N Air Filter Kit.
Fits FLHR, FLHRC, FLHT, FLHTC, FLHTCU, FLHX & FLTR 2008/Later ... $223.95 including 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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