M8 Softail Parts
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On Sale
S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $929.95Now: $854.06Was: $948.95S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...MSRP: $929.95Now: $854.06Was: $948.95 -
On Sale
S&S Cycle - Black/Highlighted 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines
S&S Cycle
MSRP: $1,499.95Now: $1,436.36Was: $1,595.95S&S Cycle - Black/Highlighted 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...MSRP: $1,499.95Now: $1,436.36Was: $1,595.95 -
On Sale
S&S Cycle - Black/Highlighted 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines
S&S Cycle
MSRP: $1,499.95Now: $1,484.96Was: $1,649.95S&S Cycle - Black/Highlighted 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...MSRP: $1,499.95Now: $1,484.96Was: $1,649.95 -
On Sale
S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome
S&S Cycle
MSRP: $1,199.95Now: $1,112.36Was: $1,235.95S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The...MSRP: $1,199.95Now: $1,112.36Was: $1,235.95 -
On Sale
S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Guardian Black
S&S Cycle
MSRP: $1,199.95Now: $1,112.36Was: $1,235.95S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Guardian Black These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately...MSRP: $1,199.95Now: $1,112.36Was: $1,235.95 -
On Sale
S&S Cycle - Grand National 50-State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome
S&S Cycle
MSRP: $1,199.95Now: $1,112.36Was: $1,235.95S&S Cycle - Grand National 50-State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The...MSRP: $1,199.95Now: $1,112.36Was: $1,235.95 -
On Sale
S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome
S&S Cycle
Now: $539.96Was: $599.95S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The stock...Now: $539.96Was: $599.95 -
On Sale
S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome
S&S Cycle
Now: $539.96Was: $599.95S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The stock...Now: $539.96Was: $599.95 -
On Sale
S&S Cycle - Oil Change Kit W/ Oil Filter fits '17-'21 Harley M8 Models
S&S Cycle
$107.15 - $110.83S&S Cycle - Oil Change Kit W/ Oil Filter fits '17-'21 Harley M8 Models S&S Cycle's Oil Change Kit delivers regular viscosity and resists thermal breakdown and oxidation at elevated temperatures. It provides superior lubrication for decreased...$107.15 - $110.83 -
On Sale
S&S Cycle - Roller Rocker Arms fits M8 Softail Models
S&S Cycle
MSRP: $599.95Now: $550.76Was: $611.95S&S Cycle - Roller Rocker Arms fits M8 Softail Models Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long bushings instead of the .50" long bushings found on most other...MSRP: $599.95Now: $550.76Was: $611.95 -
On Sale
S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome
S&S Cycle
MSRP: $419.95Now: $389.66Was: $432.95S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut styling...MSRP: $419.95Now: $389.66Was: $432.95 -
On Sale
S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome
S&S Cycle
Now: $449.96Was: $499.95S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut styling and...Now: $449.96Was: $499.95 -
Out of stockOn Sale
S&S Cycle - Stainless Steel Tuned Induction Air Cleaner Kit fits '17 & Up M8 Harley Models
S&S Cycle
MSRP: $399.95Now: $359.96Was: $399.95S&S Cycle - Stainless Steel Tuned Induction Air Cleaner Kit fits '17 & Up M8 Harley Models Air filters are the core element for pristine air flow in a performance engine, and S&S Cycle has created a kit that delivers unbeatable performance...MSRP: $399.95Now: $359.96Was: $399.95 -
On Sale
S&S Cycle - Superstreet 2-Into-1 50 State Exhaust System fits '18-'20 M8 Softail Models
S&S Cycle
MSRP: $1,589.95Now: $1,529.96Was: $1,699.95S&S Cycle - Superstreet 2-Into-1 Exhaust System fits '18-'20 M8 Softail Models Features Classic 2:1 styling Headers and muffler are fully heat shielded for a blue-proof design Saddlebag support compatible! Works with OEM and similar size...MSRP: $1,589.95Now: $1,529.96Was: $1,699.95 -
On Sale
S&S Cycle - Superstreet 2-Into-1 Exhaust System W/ Black End Cap fits '18-'22 M8 Softail Models
S&S Cycle
$1,502.96 - $1,529.96S&S Cycle - Superstreet 2-Into-1 Exhaust System W/ Black End Cap fits '18-'22 M8 Softail Models The headers and mufflers in this kit are completely heat-shielded for a blue-proof design. Available in your choice of a black or chrome finish. The...$1,502.96 - $1,529.96 -
On Sale
S&S Cycle - Wrinke Black 128" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines
S&S Cycle
Now: $1,405.76Was: $1,561.95S&S Cycle - Wrinke Black 128" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines This is a bolt-on kit that features the biggest cylinder bore possible with no machining of the crankcases necessary! It includes all of the...Now: $1,405.76Was: $1,561.95 -
On Sale
S&S Cycle - Wrinkle Black 124" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'21 107" M8 Engines
S&S Cycle
Now: $1,436.36Was: $1,595.95S&S Cycle - Wrinkle Black 124" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'21 107" M8 Engines This is a bolt-on kit that features the biggest bore possible with no machining of the crankcases necessary! It includes all of the required...Now: $1,436.36Was: $1,595.95 -
On Sale
S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Highlighted Cylinder Fins fits '17-'21 M8 Engines
S&S Cycle
MSRP: $1,509.95Now: $1,403.96Was: $1,559.95S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Highlighted Cylinder Fins fits '17-'21 M8 Engines S&S Cycle's Stroker Cylinder & Piston Kit is a bolt-on kit that is compatible with the stock crankcases and features...MSRP: $1,509.95Now: $1,403.96Was: $1,559.95 -
On Sale
S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $929.95Now: $854.06Was: $948.95S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...MSRP: $929.95Now: $854.06Was: $948.95 -
On Sale
S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/O Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $929.95Now: $854.06Was: $948.95S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/O Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...MSRP: $929.95Now: $854.06Was: $948.95 -
Out of stockOn Sale
S&S Pushrod Tube Keepers - fits '17-'19 M-Eight
S&S Cycle
MSRP: $79.95Now: $36.86Was: $40.95S&S Pushrod Tube Keepers - fits '17-'19 M-Eight Features: For use in custom applications where stock keepers won't fit. Chromed steel finish Sold in kits of four assemblies; enough for one...MSRP: $79.95Now: $36.86Was: $40.95 -
Saddlemen - Black Full Tuck & Roll Step-Up Seat fits '18-Up FLSL/ FLDE/ FLHC/S M8 Softail Models
Saddlemen
$459.00Saddlemen - Black Full Tuck & Roll Step-Up Seat fits '18-Up FLSL/ FLDE/ FLHC/S M8 Softail Models Some of the top freestyle performers of today have joined forces with Saddlemen to create the all-new step-up seats, complete with high...$459.00 -
Saddlemen - Black Step Up Tuck n' Roll Seat - fits '18-'19 FXBR/FXBRS
Saddlemen
$459.00Saddlemen Step Up Tuck n' Roll Seat The Step Up Tuck n' Roll seat has a modern styling and will keep you in place. The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens,...$459.00 -
Saddlemen - Front Lattice Stitch Step-Up Seat fits '18-'20 FLSL/ FLDE/ FLHC/S M8 Softail Models
Saddlemen
$459.00 - $485.00Saddlemen - Front Lattice Stitch Step-Up Seat fits '18-'20 FLSL/ FLDE/ FLHC/S M8 Softail Models Some of the top freestyle performers of today have joined forces with Saddlemen to create the all-new step-up seats, complete with high lumbar to keep...$459.00 - $485.00 -
Saddlemen - Front Tuck & Roll, Rear Lattice Stitch Step-Up Seat fits '18 & Up FLSL/ FLDE/ FLHC/S M8 Softail Models
Saddlemen
$459.00 - $485.00Saddlemen - Front Tuck & Roll, Rear Lattice Stitch Step-Up Seat fits '18-'20 FLSL/ FLDE/ FLHC/S M8 Softail Models Some of the top freestyle performers of today have joined forces with Saddlemen to create the all-new step-up seats,...$459.00 - $485.00 -
Saddlemen - Gripper Step-Up Seat fits '18 & Up FLSL/ FLDE/ FLHC/S M8 Softail Models
Saddlemen
$459.00Saddlemen - Gripper Step-Up Seat fits '18-'20 FLSL/ FLDE/ FLHC/S M8 Softail Models Some of the top freestyle performers of today have joined forces with Saddlemen to create the all-new step-up seats, complete with high lumbar to keep the rider...$459.00 -
Saddlemen - Pro Series SDC Performance Tuck-n-Roll/Carbon Fiber Gripper Seat fits '18-'24 FXLR/S/ST & FLSB Models
Saddlemen
$500.00 - $700.00Saddlemen - Pro Series SDC Performance Tuck-n-Roll/Carbon Fiber Gripper Seat fits '18-'24 FXLR/S/ST & FLSB Models Features: True performance oriented comfort seat, best of both worlds with contoured lines and a bucketed driver’s seating...$500.00 - $700.00 -
Saddlemen - Profiler BW Seat for FXFB/FXFBS
Saddlemen
$330.00Saddlemen - Profiler BW Seat for FXFB/FXFBS This sleek model of the Profiler seat has a thin, narrow profile. The SaddleGel seat design drops the rider down into the bike for the lowest riding position possible, while maintaining Saddlemen's high...$330.00 -
Saddlemen - Profiler Smooth Seat for FXFB/FXFBS
Saddlemen
$313.00Saddlemen - Profiler Smooth Seat for 2018 Harley FXFB/FXFBS Models This sleek model of the Profiler seat has a thin, narrow profile. The SaddleGel seat design drops the rider down into the bike for the lowest riding position possible, while maintaining...$313.00 -
Saddlemen - Profiler TR Seat - Fits '18 FXFB/FXFBS
Saddlemen
$345.00Saddlemen - Profiler TR Seat - Fits '18 FXFB/FXFBS The Saddlemen Profiler TTR Seat is a comfortable addition designed for two, even with its narrow styling and thin profile. Features: The Profiler series of seats provides the ultimate low-profile seat...$345.00 -
Saddlemen - Rear Lattice Stitch Step-Up Seat fits '18 & Up M8 FLSL/ FLDE/ FLHC/S Softail Models
Saddlemen
$459.00 - $485.00Saddlemen - Rear Lattice Stitch Step-Up Seat fits '18-'20 M8 FLSL/ FLDE/ FLHC/S Softail Models Some of the top freestyle performers of today have joined forces with Saddlemen to create the all-new step-up seats, complete with high lumbar to keep...$459.00 - $485.00 -
Out of stock
Saddlemen - Step Up Front Lattice Stitch Seat - fits '18 & Up FXFB/FXFBS Models
Saddlemen
$459.00 - $485.00Saddlemen - Step Up Front Lattice Stitch Seat - fits '18 & Up FXFB/FXFBS Models The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens, diverts, and deflects energy through...$459.00 - $485.00 -
Saddlemen - Step Up Full Diamond Stitched Seat - fits '18-'19 FXBR/FXBRS
Saddlemen
$459.00 - $485.00Saddlemen Step Up Full Diamond Stitched Seat The Step Up Diamond seat has a modern styling and will keep you in place. The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens,...$459.00 - $485.00 -
Saddlemen - Step Up Full Lattice Stitch Seat - fits '18 & Up FLFB/FLFBS Models
Saddlemen
$459.00 - $485.00Saddlemen - Step Up Full Lattice Stitch Seat - fits '18-'20 FLFB/FLFBS Models The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens, diverts, and deflects energy through...$459.00 - $485.00 -
Saddlemen - Step Up Rear Lattice Stitch Seat - fits '18 & Up FXFB/FXFBS Models
Saddlemen
$459.00 - $485.00Saddlemen - Step Up Rear Lattice Stitch Seat - fits '18 & Up FXFB/FXFBS Models The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens, diverts, and deflects energy through...$459.00 - $485.00 -
Saddlemen - Step Up Rear Lattice Stitch Seat - fits '18 & Up FXLR/FLSB Models
Saddlemen
$459.00 - $485.00Saddlemen - Step Up Rear Lattice Stitch Seat - fits '18-'20 FXLR/FLSB Models The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens, diverts, and deflects energy through a...$459.00 - $485.00 -
Saddlemen - Step Up Rear Lattice Stitch Seat - fits '18-'20 FXBB Models
Saddlemen
$459.00 - $485.00Saddlemen - Step Up Rear Lattice Stitch Seat - fits '18-'20 FXBB Models The Saddlemen Step Up seats are extremely comfortable with Ultra Foam high impact formula and a Gel-core interior. Gel-core dampens, diverts, and deflects energy through a...$459.00 - $485.00 -
Saddlemen - Unknown Step Up Seat fits '18 & Up FLHC,FLDE,FLSL Softail Models
Saddlemen
$484.00Saddlemen - Unknown Step Up Seat fits '18-'20 FLHC,FLDE,FLSL Softail Models Features Often imitated; never duplicated. The original Harley-Davidson stunt seat. Saddlemen seats with GELcore Technology are the only motorcycle seats scientifically proven...$484.00 -
Saddlemen - Unknown Step Up Seat fits '18-'21 FLFB Models
Saddlemen
$484.00Saddlemen - Unknown Step Up Seat fits '18-'21 FLFB Models Features Often imitated; never duplicated. The original Harley-Davidson stunt seat. Saddlemen seats with GELcore Technology are the only motorcycle seats scientifically proven to reduce...$484.00 -
Santoro Fabworx - Chacho Engine Bolt Kit fits '17-'23 M8 Softail & Touring Models
Santoro Fabworx
$450.95Santoro Fabworx - Chacho Engine Bolt Kit fits '17-'23 M8 Softail & Touring Models Give your motor and trans a pop of color with Santoro Fabworx's colored Chacho Bolt Kits. All kits come with: Chacho Covers, Stainless-Steel Socket Head Hardware to...$450.95
Deadbeat Customs is your go-to source for high-quality Milwaukee Eight Softail parts. Our extensive selection includes everything you need to upgrade and customize your Harley-Davidson Softail motorcycle, from handlebars and exhaust systems to wheels and saddlebags. All of our Milwaukee Eight Softail parts are carefully selected to ensure that you get the best value for your money. The Milwaukee-Eight engine, which was introduced in Softail models in 2017, is known for its improved performance and smooth ride experience compared to previous versions of the Big Twin engine. Whether you're looking to improve your Softail's performance or add some style to your ride, we've got the parts you need. Plus, with fast shipping and excellent customer service, we make it easy to get the parts you need to take your Milwaukee Eight Softail to the next level. Don't wait – shop Deadbeat Customs today and see what a difference our Milwaukee Eight Softail parts can make!