Genuine Billet Proof Designs Now Available

Discover fresh ways to enhance your life with expertly crafted Billet Proof Designs products.

Complete Starter Solenoid Rebuild Kit for 1991-2006 Harley Twin Cam Touring, Softail & Dyna Models (Except 2006 Dyna) & 1981-Later Harley Sportster XL Models Replaces HD# 31604-91

$99

VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer

$65

Motorcycle Fuel/Gas Gauge - External Hose Kit - Clear Fuel Line

$112

Motorcycle Fuel/Gas Gauge - External Hose Kit - Transparent Fuel Line

$81

Chrome ¾” Bore OE Style Replacement Rear Brake Master Cylinder for 1987-1999 Harley Softail Heritage, Fat Boy & Nostalgia Models FLST/FLSTN/FLSTS/FLSTF/FLSTC - Replaces HD# 42467-87C & 42468-87D

$277

Screw-In Non-Vented Gas Cap - Gloss Black - Fits 1996-2019 Harley Davidson Big Twin Models - Left Hand Thread

$94

Motorcycle Gas Tank Fuel Gauge Gage - Yellow Tygon Hose Style External Fuel Gauge - Steel Bung - Chopper Bobber Cafe Racer Harley (YEL/STL)

5.0

$298

8” LONG Exhaust Baffles for 2" OD Exhaust Pipes & Mufflers – Noise Reducer/Silencer - SOLD AS A PAIR w/Mounting Nut & Bolt – Galvanized Steel – Motorcycle, Harley, Chopper, Bobber, Cafe Racer

3.8

$63

Chrome Clutch Lever & Brake Lever Pivot Pin Set with Stainless Snap Rings for 2008-2023 Harley Davidson Touring Models Electra Glide FLHT, Road Glide FLTR, Road King FLHR and Street Glide FLHX

$57

Chrome Billet Aluminum Hi-Flow Fuel Filter for Use with 5/16" ID Fuel Hose Line - Removable Mesh Screen - Motorcycle Harley Chopper Bobber Cafe Racer

3.9

$82

Billet Proof Designs Clear Timing Plug, Hex Design - Fits All Harley Models, Effective Engine Motor Timing Tool for Motorcycle, Chopper, Bobber

$55

Black ISO Front Engine/Motor Mount for 1980-2008 Rubber-Mounted Harley Tour Glide FLT, Road Glide FLTR, Road King FLHR, Electra Glide FLHT, Street Glide FLHX & Super Glide FXR - Replaces HD# 16207-79B

4.3

$228

AIRHAWK® Motorcycle Seat Cushion Cruiser, Medium

4.2

$724

Billet Proof DesignsChrome Clutch Lever & Brake Lever Pivot Pin Set with Stainless Snap Rings for 2008-2023 Harley Davidson Touring Models Electra Glide FLHT, Road Glide FLTR, Road King FLHR and Street Glide FLHX

$40

Handlebar-Mounted Front Brake Light Switch for 2012-2017 Harley Softail FX/FL, 2012-2017 Dyna FXD & 2014-2021 Sportster XL Models - Replaces HD# 71500118 – with Plug-N-Play Molex Wire Connectors

$71

32 Amp Alternator Charging System for 1970-1984 Shovelhead & 1984-1999 "EVO Evolution Big Twin FX/FL, Softail, Dyna, FXR, Touring Models (Except Twin Cam & EFI Models) w/Stator, Rotor & Reg/Rec

2.9

$1,489

Vans"Waffle" Pattern Rubber Motorcycle Grips - BLACK - Sold as a pair for 7/8" bars - Made In The USA (BLK7/8)

$91

Chrome Early Style 3" Round Mirror for LEFT or RIGHT Side WITH Adjustable Arm - Fits ALL Harley Sportster and Big Twin Models

$59

3/8"-16 Short Straight Threaded Steel Bungs - Quantity of 2 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

$145

VENTED OR NON-VENTED Billet Aluminum Motorcycle Gas/Fuel Tank Cap Knurled - Steel Stepped Bung - Custom Harley Chopper Bobber Cafe Racer - MADE IN USA (AL/ST)

4.2

$199

Weld-In Handlebar Plug for Harley TBW (Throttle-By-Wire) Handlebars – Allows the use of TBW bars to be used on Non-TBW Motorcycles - Machined from Solid Steel - Made in USA

$163

Billet Proof Designs Handheld Mini Pocket Pump for Air Shocks, 0-60 psi Gauge & 5'' Hose - Works with Harley FL Touring & Indian Models

$137

Marshall 60 psi Oil Pressure Gauge - Shock Proof and Liquid Filled - 1/8" NPT Fitting - Machine "Engine Turned" Gauge Face - Harley Motorcycle Bobber Chopper Cafe Racer Made in USA (MCHND)

4.4

$290

1939-1948 Harley Cat Eye Tail Light Replacement RED GLASS LENS - Replaces HD# 68090-39T - Harley Motorcycle Chopper Bobber

$113

Chrome Mirror Mount Clamp for 1" Handlebars with 5/16" Mounting Hole - Motorcycle Harley Chopper Bobber

4.2

$153

Braided Stainless Steel Rocker Box Oil Line Hose Kit for 1957-1985 Harley Sportster Ironhead (Except for 57-69 w/Magneto) 1/8-27 NPT Fitting - Replaces HD Part # 17324-57B - Motorcycle Bobber Chopper

$224

VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL)

3.5

$199

Black 3.4" Kickstand/Jiffy Stand Spring 2002-2017 Harley Dyna Models FXD/FXDC/FXDL/FXDB/FXDS/FXDWG Super Glide, Dyna Glide, Low Rider, Fat Bob, Street Bob, Daytona, Wide Glide - Replaces # 50057-02

$37

Transmission Mainshaft Support for Open Belt Drives or Aftermarket Tin Primary Covers on 1965-1991 Harley Big Twin Shovelhead/EVO 4-Speed Touring, Softail, FXR, Dyna & FX/FL Big Twin Models

$108

Chrome Domed Shovelhead/EVO Timer Cover For 1970-1999 Harley Big Twin Shovelhead and Evolution Engines & 1971-2021 Sportster XL Engines - Replaces HD# 32584-88T – Ignition Cover/Points Cover

4.7

$40

Satin Black Universal Remote Oil Filter Relocation Kit with Custom Mount & Filter for Harley Big Twin Panhead, Shovelhead and Sportster Evolution Motors – Comes with Hose Barbs for 3/8” ID Oil Line

5.0

$405

Weld-On 5/16-18 Long Threaded Mounting Tabs - 1/4" Thick Steel - SOLD AS A PAIR - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder - MADE IN THE USA

BZ$56

Chain Tensioner Kit for 1999-2006 Harley Twin Cam Street Glide, Electra Glide, Road Glide, Road King, Softail & 1999-2005 Dyna - Comes with Primary Tensioner, Secondary Tensioner & Cam Chain Guide

$163

Starter Solenoid with Single Mounting Bracket for 1965-1986 Harley Big Twin Shovelhead/Evolution 4 Speed Models, 1984-1988 Softail & 1967-1980 Sportster XL - Replaces HD# 71743-77A

5.0

$303

OE Style Black Plastic Gas Cap for 1992-2022 Harley Touring Road King, Road Glide, Street Glide & Electra Glide Models with Gas Tank Fuel Doors - Replaces HD# 61274-92 - Vented, Right Hand Thread

4.1

$179

9-Tooth Starter Drive Jackshaft Assembly for 1989-1993 Harley Big Twin Evolution – Includes Pinion Gear, Coupling, Jackshaft Extension, Output Shaft Coupling, Spring, Bolt w/Lock Plate, Retaining Clip

$166

10-Tooth Starter Drive Gear for Jackshaft 1994-2006 Harley Evolution/Twin Cam FX/FL Electra Glide, Tour Glide, Road Glide, Street Glide, Road King, Softail, Dyna, FXR - Replaces HD # 31342-94

4.6

$277

Chrome Shorty Style Oil Tank Dipstick with Oil Temperature Gauge - Black Gauge Face w/Chrome Bezel - Fits 2000-2017 Harley Softail Models - Replaces HD Part# 62896-00 (88020)

3.2

$284

Polyurethane Handlebar Risers Bushing Kit for 1984+ Harley Tour Glide FLT, Electra Glide FLHT, Road Glide FLTR, Road King FLHR, Street Glide FLHX & 2018+ Softail (Pack of 4) Replaces HD Pt# 56161-83A

$35

Compression Release Valves for High Compression Harley V-Twin Motors - Synthetic Knobs that stay cool to the touch and automatically close after start-up – 10mm x 1.0 Thread Pitch - SOLD AS A PAIR

4.3

$290

Chrome Solenoid Cover with Starter Button for 1989-2017 Harley FX/FL Big Twin, Touring, Softail, Dyna, FXR (Not 2017 Touring) EVO/Twin Cam Models & 1991-2021 Sportster Models w/ 1.2KW & 1.4KW Starters

$50

48 Tooth Belt-to-Chain Drive Conversion 5-Spoke Rear Chrome Sprocket with 9.8MM Offset for 1973-1999 Harley Big Twin Softail, Dyna, FXR, Touring & 1986-1999 Sportster XL – Recommended for a 530 Chain

$201

Chrome Harley 3/8" NPT HI-Flow Petcock Straight Downward Fuel Outlet Valve - Fits 3/8" ID Fuel Hose - Replaces HD Pt# 62125-55B on PRE-1975 Harley FL FX XL Models - Motorcycle Chopper Bobber S3/8STRT

5

$156

Weld-On Large Slotted Tab - 1/4" Thick Steel - SOLD INDIVIDUALLY - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder - MADE IN THE USA

$23

Extended Float Bowl Hardware Kit for S&S"E" Carburetor - Chrome - Makes for Easy Removal of The Float Bowl (35-0029)

$234

Chrome Billet Steel Transmission Oil Fill Plug/Dipstick with Seal for 2007+ Harley Softail FL/FX Twin Cam/M8 & 2006-2017 Harley Dyna FXD Models - Replaces HD# 37065-06

$68

Aeromach CI-1050S Chrome Coin/Medallion Horn Cover for 2014+ Indian Chief, Chieftain, Dark Horse, Springfield & Roadmaster Models with Thunderstroke Engine - Adhesive Backed Foam - Made in USA

4.8

$271

60 psi Oil Pressure Gauge with Rocker Mount KIT for 1984-1999 Harley Big Twin EVO Touring/Softail/Dyna/FXR Models - Shock Proof Liquid Filled w/ Black Gauge Face - Bobber Chopper

$438

Billet Proof DesignsHydraulic Cam Chain Tensioner Shoe/Pad for 2007-2017 Harley Twin Cam Engine with Hydraulic Tensioner – Sold AS A Pair – Works with Factory or Aftermarket Billet Cam Plates – Made in The USA

$55

Billet Proof Designs AIRHAWK® Motorcycle Seat Cushion Cruiser, Medium

$1,019

Billet Proof DesignsBelt Drive Super Nut with Seal for Harley Big Twin 4-Speed 1936-1980 EL/UL/FL/FX Knucklehead, Panhead, Shovelhead Models – For main drive gear bushing wear - Replaces HD# 35211-36

$52

Vans"Waffle" Pattern Rubber Motorcycle Grips - OXBLOOD RED - Sold as a pair for 1" bars - Made In The USA (RED1")

$116

Weld-On 3/8-16 Long Threaded Mounting Tabs - 1/4" Thick Steel - SOLD AS A PAIR - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder - MADE IN THE USA

$53

Belt Drive Super Nut with Seal for Harley Big Twin 4-Speed 1936-1980 EL/UL/FL/FX Knucklehead, Panhead, Shovelhead Models – For main drive gear bushing wear - Replaces HD# 35211-36

$57

White Pop"Coke" Bottle Style Rubber Grips for use with 1" Handlebars Bars and Exterior Cables - Harley Bobber Chopper Cafe Racer

$48

5/16"-18 Short Coped Steel Bungs - Fits 1" to 1-1/4" Round Tubing - Quantity of 2 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

$157

Chrome Shorty Style Oil Tank Dipstick - Fits 1979-2003 Harley Sportster XL and 1984-1999 Harley Softail Models - Replaces HD Part# 62595-82A (40-0360)

$151

Weld-On 3/8-16 Large Threaded Mounting Tab - 1/4" Thick Steel - QTY OF 2 - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder - MADE IN THE USA

BZ$70

1947-1954 Harley V-Twin Chrome Tombstone Tail Light Lamp w/License Plate Tag Bracket - Replaces HD PT# 68003-47T - 12V"STOP" Brake"Running" Tail Tag Light - Motorcycle Bobber Chopper

1947

$477

5/16"-18 Short Straight Threaded Steel Bungs - Quantity of 2 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

$144

Chrome Eagle Spirit Front Fender Ornament with Rubber Gasket & Mounting Hardware for MOST Harley Motorcycle Front Fenders and other Motorcycles - “Live to Ride, Ride to Live” - Replaces HD# 91569-89

$258

Chrome 3-3/4" Kickstand/Jiffy Stand Spring for 2007+ Harley Street Glide, Electra Glide, Road Glide, Road King & Softail Models - Replaces HD# 49725-07A

$128

Chrome 7”x4” US Motorcycle License Plate Frame/Mount – Powder Coated Metal Frame, Built to Last – 7-1/4”x4-1/4” Overall Dimensions (5-3/4”x2-3/4” Center-to-Center Mounting Holes)

$40

RED Pop"Coke" Bottle Style Rubber Grips for use with 1" Handlebars/Bars and Exterior Cables - Harley Bobber Chopper Cafe Racer

$66

Extended Float Bowl Hardware Kit for S&S"E" Carburetor - Brass - Makes for easy removal of the float bowl (35-0025)

5

$89

21 Tooth Belt-to-Chain Drive Conversion Front Transmission Sprocket for 1991-2020 Harley Davidson Sportster Evolution 883/1200 XL Models – Recommended for use with 530 Chain

3.6

$310

Chrome Ignition Switch with Cover & 2 Round Tamper-Resistant Keys for 1996-2010 Harley Softail, 1993-2011 Dyna Wide Glide FXDWG & 1996/2013 Road King FLHR Replaces HD# 71313-96A

$80

Late 1973-1982 OE Harley Chrome Vented Motorcycle Gas Tank Cap Bayonet CAM style - Replaces HD Part# 61102-73 - Chopper Bobber Cafe Racer

$180

BLACK Jackhammer Anderson Style Rubber Grips for use with 1" Handlebars and Exterior Cables - Bobber Chopper Cafe Racer

5

BZ$79

Chrome 1/8” NPT 90 Degree Mini Oil Line Fitting/Adapter for Harley Engine Ironhead/Evolution/Twin Cam/Big Twin – Perfect for Hard to Reach Areas –5/16” Allen Key Fitting – Motorcycle Chopper Bobber

$128

3/8"-16 Long Straight Threaded Steel Bungs - Quantity of 4 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

BZ$79

Chrome OEM Style Vented/Non-Vented Dual Gas Tank Caps for 1982-Later Harley 2-Piece FAT-BOB Tanks - SOLD AS A SET - Left and Right Hand Thread - Chopper Bobber Cafe Racer

$103

5/16"-18 Long Straight Threaded Steel Bungs - Quantity of 4 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

5

$46

Hydraulic Rear Brake Light Switch for 2003+ Harley Touring/Trike, 2004+ Softail, 2005-2007 Dyna, 2003-2022 Sportster XL, 2007-2017 V-Rod: Replaces HD# 72023-51D, 72023-51E, 72023-51F - Made in Poland

$95

Replacement Fuel Pump Filter with O-Ring Kit for ALL 2018-2023 Harley Softail FX/FL Models with Big Twin Milwaukee-Eight (M8) Motor - Replaces HD #61200058

$29

Chrome Oil Pressure Gauge Adaptor for 1970 - Later Harley Big Twin, Shovelhead and Evolution Motors - 1/8" NPT Fitting - MADE IN THE USA - Motorcycle Bobber Chopper Cafe Racer

$151

Chrome Top Engine/Motor Mount with Coil Mount for 1948-1984 Harley Panhead & Shovelhead 4 Speed Models Replaces HD# 16853-48

$376

Harley Dual Cable CHROME Grooved Throttle Control KITS for 1" Handlebars - For use with early model '81-'95 FX, FL, XL, FLT, FXR, FXD, FXST, FLST, Big Twins and Sportsters (GRVD)

$116

Throttle Cable Adapter Block for S&S Super"E" Carburetors Allows the use of stock 1996-up Harley throttle cables on an S&S"E" carburetor. (36-0541)

$50

Billet Proof DesignsCustom Dynamics Magic Strobes Plug-N-Play Tour-Pak Brake Light and Corner Flashers with 10 Strobe Patterns - Fits 2014-2019 Harley Road/Street Glide Models with Tour-Pak (LTP)

$1,029

Left & Right Side Black Gas Caps for 1973-1982 Harley Softail, Touring, Big Twins FL FXS Models - Vented and Non-Vented"CAM" Bayonet Style Gas Caps - Replaces HD 61102-73

$85

Billet Proof Designs Internal Throttle KIT for 1" Handlebars - Needle and Ball Bearing Construction with Spring-Assisted Return - Custom Harley Bobber Chopper Cafe Racer

$739

Chrome Solenoid Cover & Starter Button for 1989-2017 Harley Big Twin & 1991-Up Harley Sportster Models with 1.2KW & 1.4KW Starters

$64

Clear HEX Timing Plug Sight Window - FITS All Harley Models - Harley Engine Motor Timing Tool - Evo Sportster Knucklehead Shovelhead Panhead Motorcycle Chopper Bobber

$122

EZ-Pull Clutch Assist Kit for 1987-Later Harley Big Twin & 1986-1990 Harley Sportster XL Motorcycles - 40% Easier Pull

$167

Late 1973-1982 FL FX XL OEM Harley Satin Black Vented Motorcycle Gas Tank Cap Bayonet"CAM" style - Replaces HD 61102-73 - Sportster Ironhead Chopper Bobber Cafe Racer (7382BLK)

$74

Chrome Tombstone Tail Light w/License Plate Tag Bracket & Light for 1947/1954 Harley FL Big Twins - Replaces HD PT# 68003-47T - 12V STOP Brake Running Tail/Tag Light

$149

Custom Antigravity AG401 & SC-1 Steel Motorcycle Battery Box for 4-Cell Lithium Battery – “SWISS” Design/BELT Style Hold Down (4-5/8" x 1-11/16") DIY “Builders” FLAT BOX/NOT WELDED - Made in USA

$102

Aeromach CI-1028 Handheld Mini Pocket Pump for Air Shocks with 0-60 psi Gauge & 5" Hose - Works with Harley FL Touring & Indian Models with Air Shocks

$127

Chrome Fork Lock Cover Kit for All 1994-2022 Harley Davidson Road King, Custom, Classic, CVO, Police & Special Models FLHR/FLHRS/FLHRC/FLHRSE/FLHP/FLHRXS - Replaces HD# 71659-99A

$108

5/16"-18 Long Straight Threaded Steel Bungs - Quantity of 2 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

$140

Polyurethane Handlebar Risers Bushing Kit for 1984+ Harley Tour Glide FLT, Electra Glide FLHT, Road Glide FLTR, Road King FLHR, Street Glide FLHX & 2018+ Softail (Pack of 4) Replaces HD Pt# 56161-83A

$39

Clear Timing Plug Sight Window (Non HEX) - FITS All Harley Models - Harley Engine Motor Timing Tool - Motorcycle Chopper Bobber (Non HEX)

$37

3/8"-16 Long Straight Threaded Steel Bungs - Quantity of 2 - Made in The USA - Fabrication Parts DIY Motorcycle Chopper Bobber Cafe Racer Builder

$159

Gloss Black Screw-In Vented Gas Cap for 1996-2021 Harley Big Twin (Touring, Softail, Dyna) & Sportster Models - Right Hand Thread

$69

Complete Fuel Pump Filter Kit with O-Ring, Pick-Up Filter, Clamp & Tie-Downs for 2007-2021 Harley Sportster XL Models with Delphi EFI/Fuel Injection - Replaces HD #75304-07A

$382

11/16" Bore Front Brake Master Cylinder Rebuild Kit for 1996-Later Harley Big Twin Touring/Softail/Dyna & 1996-2003 Sportster Models with Dual Discs - Replaces HD# 45072-96

$162

1982 & Later OE Harley Chrome Non-Vented LEFT THREAD Motorcycle Gas Tank Cap for Fat Bob Style 2-Piece Tanks - Replaces HD Part # 61103-83A - Chopper Bobber Cafe Racer

$52

Ignition Condenser with Mount for 1948-(Early)1978 Harley Panhead/Shovelhead FX/FL Big Twin Models & 1957-(Early)1978 Sportster XL Models w/Points Ignition (Except Magneto) Replaces HD# 32726-30A

$40