Fittings & Lines
Plumbing for oil tanks and gas tanks. Parker Vibra-Lok compression fittings in brass and zinc with Buna-N or Viton sleeves, V-Twin Mfg chrome straight and 90-degree 3/8 hose to 1/8 NPT fittings, Twisted Choppers 1/8 NPT weld-in bungs for custom tanks, and our copper hard oil line kit for Harley-Davidson® engines when you want the oil lines to be part of the look. EMPI and S&S fittings fill the gaps.
Showing 1–24 of 31 resultsSorted by popularity
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V-Twin Mfg Chrome 90-Degree Oil Line Fitting 3/8 Inch Hose to 1/8 Inch NPT
$7.95Chrome 90-degree oil line fitting for 3/8 inch ID hose with a 1/8 inch NPT male pipe thread - routes oil lines cleanly at a right angle on custom builds. -
Parker Vibra-Lok Straight Compression Fitting Brass 3/8 Inch x 1/8 NPT
$17.95Parker Vibra-Lok straight brass compression fitting for 3/8-inch OD tubing to 1/8-27 NPT male pipe thread, providing a vibration-resistant seal for motorcycle oil and fuel lines. -
Twisted Choppers Copper Hard Oil Line Kit for Harley-Davidson Motorcycles Choppers and Bobbers
$189.95Copper hardline oil line kit with 10 feet of tubing, six straight and six 90-degree 1/8-27 NPT brass fittings, a tubing bender, and cutter - no flaring needed for a leak-free build. -
Parker Vibra-Lok Compression Fitting Sleeve 3/8 Inch Buna-N or Viton
Price range: $1.95 through $4.95Parker Vibra-Lok replacement sleeves for 3/8-inch OD fittings - choose Buna-N (green) for petroleum applications or Viton (red) for high-heat and chemical-resistant environments. -
V-Twin Mfg Chrome Straight Oil Line Fitting 3/8 Inch Hose to 1/8 Inch NPT
$4.95Chrome straight oil line fitting for 3/8 inch ID hose with a 1/8 inch NPT male pipe thread - direct inline connection for oil systems on custom motorcycle builds. -
Twisted Choppers Steel 1/8 Inch NPT Oil Fuel Tank Weld Bung
$7.95Flanged weld-in 1/8-inch NPT bung for custom oil and fuel tanks; 1018 steel with self-aligning pilot bore for oil lines and fuel sight gauges, made in the USA. -
Parker Vibra-Lok Straight Compression Fitting Zinc 3/8 Inch x 1/8 NPT
$22.95Parker Vibra-Lok straight zinc-plated compression fitting for 3/8-inch OD tubing to 1/8-27 NPT male pipe thread, providing a vibration-resistant seal for motorcycle applications. -
Twisted Choppers Aluminum Hard Oil Line Kit 3/8-Inch OD 1/8-27 NPT with Tubing Bender
$199.95A complete DIY aluminum hard oil line kit with Vibra-Lok fittings, a tubing bender, and a tubing cutter - 3/8-inch OD, 1/8-27 NPT, no flaring required. -
Parker Vibra-Lok 90 Degree Compression Fitting Brass 3/8 Inch x 1/8 NPT
$39.95Parker Vibra-Lok 90-degree brass compression fitting for 3/8-inch OD tubing to 1/8-27 NPT male pipe thread, providing a vibration-resistant seal for motorcycle oil and fuel lines. -
EMPI Remote Oil Filter Relocation Mount 3/8 NPT for Harley-Davidson Evo and Twin Cam
Sale! Price range: $29.95 through $31.9520% OFFEMPI Remote Oil Filter Relocation Mount relocates the oil filter to any custom position. Includes bypass adapter and 12-inch oil lines with 90-degree swivels. Filter sold separately. Made in the USA. -
Parker Vibra-Lok 90 Degree Compression Fitting Zinc 3/8 Inch x 1/8 NPT
$47.95Parker Vibra-Lok 90-degree zinc-plated compression fitting for 3/8-inch OD tubing to 1/8-27 NPT male pipe thread, providing a vibration-resistant seal for motorcycle applications. -
Parker 45 Degree Street Elbow Oil Line Fitting Brass 1/8 NPT x 1/8 NPT
$5.95Parker 45-degree street elbow fitting in brass, 1/8-27 NPT female inlet to 1/8-27 NPT male outlet, for angled oil and fuel line connections on motorcycles and custom choppers. -
Parker 90 Degree Street Elbow Oil Line Fitting Brass 1/8 NPT x 1/8 NPT
$5.95Parker 90-degree street elbow fitting in brass, 1/8-27 NPT female inlet to 1/8-27 NPT male outlet, for oil and fuel line 90-degree connections on motorcycles and custom builds. -
Twisted Choppers Aluminum Oil Line 3/8-Inch OD 10-Foot Hardline Tubing
$24.953/8-inch OD aluminum oil line tubing, 10-foot roll, designed for Twisted Choppers hardline oil line kits and custom motorcycle builds. Compatible with Harley-Davidson and custom bikes. -
Bikers Choice Chrome Hex Petcock 3/8 Hose Barb for 1957-2006 Harley-Davidson
$99.99Chrome hex petcock with 3/8" barb for 1957-2006 carbureted Harley-Davidson -- available in 22mm and 3/8" NPT thread sizes with Left, Right, or Down outlet positions. -
Mid-USA V-Factor Chrome 90 Degree Oil Line Fitting 1/8-27 NPT for All Motorcycle Models
$4.20Mid-USA V-Factor chrome 90 degree oil line fitting with 1/8-27 NPT thread - designed for close-quarters oil routing; 5/16 inch Allen drive for confined space use. -
Parker 90 Degree Street Elbow Oil Line Fitting Zinc 1/8 NPT x 1/8 NPT
$7.95Parker 90-degree street elbow fitting in zinc-plated brass, 1/8-27 NPT female inlet to 1/8-27 NPT male outlet, for oil and fuel line 90-degree connections on motorcycles. -
Twisted Choppers Copper Oil Line 3/8-Inch OD 10-Foot Hardline Tubing
$35.953/8-inch OD copper oil line tubing with .030-inch wall, 10-foot roll, designed for Twisted Choppers hardline oil line kits and custom motorcycle builds. -
EMPI Remote Oil Filter Relocation Mount Right Side 3/8 NPT for Harley-Davidson Evo and Twin Cam
Sale! Price range: $24.95 through $31.9520% OFFCast aluminum oil filter relocation mount with right-side 3/8 NPT ports for Harley-Davidson Evo and Twin Cam - accepts HD #1156 and Fram PH8A filters for custom remote filter builds. -
EMPI Remote Oil Filter Relocation Mount Left Side 3/8 NPT for Harley-Davidson Evo and Twin Cam
Sale! Price range: $24.95 through $31.9520% OFFCast aluminum oil filter relocation mount with left-side 3/8 NPT ports for Harley-Davidson Evo and Twin Cam - accepts HD #1156 and Fram PH8A filters for custom remote filter builds. -
Twisted Choppers Universal Motorcycle Weld-In Petcock Bung
Price range: $9.95 through $22.95USA-made weld-in petcock bungs from Twisted Choppers in 22mm or 3/8 NPT thread sizes and three material choices - the right foundation for any custom or restored fuel tank build. -
Twisted Choppers Gas Fuel Tank Sight Gauge Kit
$49.95A sight gauge kit for any custom steel fuel tank - includes 12-inch clear fuel line, two 1/8-27 NPT weld-in bungs, and stainless steel hose clamps; made in the USA by Twisted Choppers. -
Twisted Choppers Hand Tubing Bender 180 Degree 1/4 – 5/16 – 3/8 Inch OD Tube
$14.95Cast aluminum hand tubing bender for 1/4, 5/16, and 3/8-inch OD tubing; 0-180 degree range, lever action, 15/16-inch centerline radius. Works on aluminum, copper, and steel. Made in the USA. -
Twisted Choppers Nickel-Copper Hard Oil Line Kit Custom Motorcycles Choppers
$199.95Complete nickel-copper hardline oil line kit with 10-foot 3/8-inch OD tubing, bender, cutter, and 12 Vibra-Lok brass fittings; no flaring needed. Made in the USA.
Showing 1–24 of 31 resultsSorted by popularity