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James Gaskets - 65324-83-KCR2 - Copper Crush Ring Exhaust Port Gasket Kit W/ Heavy-Duty Hex Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$24.95James Gaskets - 65324-83-KCR2 - Copper Crush Ring Exhaust Port Gasket Kit W/ Heavy-Duty Hex Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits:...$24.95 -
James Gaskets - 65324-83-KW1 - Stainless Steel Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$26.95James Gaskets - 65324-83-KW1 - Stainless Steel Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits:...$26.95 -
James Gaskets - JGI-EV-1 - Graphite Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts and Washers - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$20.95James Gaskets - JGI-EV-1 - Graphite Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts and Washers - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits:...$20.95 -
James Gaskets - 65324-83-KWG1 - Graphite Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$26.95James Gaskets - 65324-83-KWG1 - Graphite Wire Exhaust Port Gasket Kit W/ Chrome Acorn Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits: '84-'21...$26.95 -
James Gaskets - 65324-83-KWG2 - Graphite Wire Exhaust Port Gasket Kit W/ Heavy-Duty Hex Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$24.95James Gaskets - 65324-83-KWG2 - Graphite Wire Exhaust Port Gasket Kit W/ Heavy-Duty Hex Nuts - Fits '84-'21 Evolution Big Twin & '86-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) Fits: '84-'21...$24.95 -
James Gaskets - JGI-11125-XM - RCM Crankcase Saver Kit Gasket - Fits '84-'99 Evolution & '99-'06 Twin Cam Models (Repl. OEM #11125-XM)
James Gaskets
$51.95James Gaskets - JGI-11125-XM - RCM Crankcase Saver Kit Gasket - Fits '84-'99 Evolution & '99-'06 Twin Cam Models (Repl. OEM #11125-XM) Fits: '84-'99 Evolution & '99-'06 Twin Cam Models (Repl. OEM...$51.95 -
James Gaskets - JGI-11125-XMF - Foamet® Crankcase Saver Kit Gasket - Fits '84-'99 Evolution & '99-'17 Twin Cam Models (Repl. OEM #11125-XMF)
James Gaskets
$51.95James Gaskets - JGI-11125-XMF - Foamet® Crankcase Saver Kit Gasket - Fits '84-'99 Evolution & '99-'17 Twin Cam Models (Repl. OEM #11125-XMF) Fits: '84-'99 Evolution & '99-'17 Twin Cam Models (Repl...$51.95 -
James Gaskets - Cam Change Gasket Kit fits '17-'21 M8 Softail Models
James Gaskets
$48.95James Gaskets - Cam Change Gasket Kit fits '17-'21 M8 Softail Models This kit comes with all of the required gaskets, seals, O-rings and cork washers for doing a cam change. Fitment 2020,...$48.95 -
James Gaskets - James Rubber Rocker Box Gasket fits '86-'90 XL 883 Models
James Gaskets
$68.95James Gaskets - James Rubber Rocker Box Gasket fits '86-'90 XL 883 Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U...$68.95 -
James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '04-'06 Sportster Models
James Gaskets
$91.95James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '04-'06 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and...$91.95 -
James Gaskets - James Rocker Box Cover Gasket and Seal Kit fits '17-'21 M8 Softail Models
James Gaskets
$64.95James Gaskets - James Rocker Box Cover Gasket and Seal Kit fits '17-'21 M8 Softail Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers...$64.95 -
James Gaskets - Standard Bore Metal Base Gaskets fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
James Gaskets
$44.95James Gaskets - Standard Bore Metal Base Gaskets fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) These genuine James Gaskets base gaskets have a steel base with silicone beading on both sides...$44.95 -
James Gaskets - 16787-99-MLS - 3⅞" Big Bore Kit Gasket - Fits '99-'06 Twin Cam 95" Models (Multi-Layered Steel Head Gasket)
James Gaskets
$75.95James Gaskets - 16787-99-MLS - 3⅞" Big Bore Kit Gasket - Fits '99-'06 Twin Cam 95" Models (Multi-Layered Steel Head Gasket) Fits: '99-'06 Twin Cam 95" Models (Multi-Layered Steel Head Gasket). Full...$75.95 -
Alloy Art - Raw M8CC Comp Cam Cover fits '17 & Up M8 Models
Alloy Art
$411.95Alloy Art - Raw M8CC Comp Cam Cover fits '17 & Up M8 Models This Cam Cover has a low-profile design, which brings in greater diameter headers even closer for more ground clearance...$411.95 -
Kodlin - Black Rear Engine Guards fits '18-'25 M8 Softail Models
Kodlin
$299.99Kodlin - Black Rear Engine Guards fits '18-'25 M8 Softail Models These black rear engine guards are built from steel and come with an oil cover and black crash pads. NOTE: Does not fit with stock...$299.99 -
S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models This Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin comes with S&S high-strength...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Chrome Die-Cast Rocker Box fits '99-'17 Twin Cam Motors
S&S Cycle
$1,091.95S&S Cycle - Chrome Die-Cast Rocker Box fits '99-'17 Twin Cam Motors Features Positive O-ring seal ensures leak-free operation Include rocker boxes,$1,091.95 -
S&S Cycle - 910-0203 - Black Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only)
S&S Cycle
$1,282.95S&S Cycle - 910-0203 - Black Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only) Fits: S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only)...$1,282.95 -
S&S Cycle - 910-0199 - Silver Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only)
S&S Cycle
$1,313.95S&S Cycle - 910-0199 - Silver Powdercoat 3.875" Cylinder/Piston Kit - Fits S&S 106" Stroker Only (10.5:1 Compression) (88" Motor Only) Fits: S&S 106" Stroker Only (10.5:1 Compression) (88" Motor...$1,313.95 -
S&S Cycle - Silver Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - Silver Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder...$1,287.95 -
S&S Cycle - 910-0206 - Black Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - 910-0206 - Black Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads) Fits: '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke,...$1,287.95 -
S&S Cycle - 910-0202 - Silver Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads)
S&S Cycle
$1,219.95S&S Cycle - 910-0202 - Silver Powdercoat 106" Big Bore Kit - Fits '06-'17 Twin Cam Engines (3.937" Bore, 4⅜" Stroke, 10:1 Comp. W/ Stock Heads) Fits: '06-'17 Twin Cam Engines (3.937" Bore, 4⅜"...$1,219.95 -
S&S Cycle - 910-0205 - Black Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - 910-0205 - Black Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9...$1,287.95 -
S&S Cycle - 910-0201 - Silver Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,219.95S&S Cycle - 910-0201 - Silver Powdercoat 97" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.927" Bore, 4" Stroke,...$1,219.95 -
S&S Cycle - 910-0691 - Wrinkle Black 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
S&S Cycle
$1,008.95S&S Cycle - 910-0691 - Wrinkle Black 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) Fits: '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)...$1,008.95 -
S&S Cycle - 910-0689 - Silver 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
S&S Cycle
$1,008.95S&S Cycle - 910-0689 - Silver 1250cc Conversion Kit W/ 10.3:1 Flat Top Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) Fits: '86-'21 XL Models (Exc. '21 Sportster S/RH1250S). Full...$1,008.95 -
S&S Cycle - 910-0692 - Wrinkle Black 1250cc Conversion Kit W/ 11.2:1 5.5cc Domed Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)
S&S Cycle
$1,008.95S&S Cycle - 910-0692 - Wrinkle Black 1250cc Conversion Kit W/ 11.2:1 5.5cc Domed Pistons - Fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) Fits: '86-'21 XL Models (Exc. '21 Sportster S/RH1250S)...$1,008.95 -
S&S Cycle - 910-0500 - Black Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,345.95S&S Cycle - 910-0500 - Black Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) Fits: All '07-'17 Twin Cam Models (3.937" Bore, 4⅜"...$1,345.95 -
S&S Cycle - 910-0480 - Silver Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,345.95S&S Cycle - 910-0480 - Silver Powdercoat 107" Big Bore Kit - Fits All '07-'17 Twin Cam Models (3.937" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) Fits: All '07-'17 Twin Cam Models (3.937" Bore,...$1,345.95 -
S&S Cycle - 910-0481 - Black Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads)
S&S Cycle
$1,386.95S&S Cycle - 910-0481 - Black Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9...$1,386.95 -
S&S Cycle - 910-0482 - Silver Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads)
S&S Cycle
$1,358.95S&S Cycle - 910-0482 - Silver Powdercoat 98" Big Bore Kit - Fits '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke, 9.8:1 Comp. W/ Stock Heads) Fits: '99-'06 Twin Cam Engines (3.937" Bore, 4" Stroke,...$1,358.95 -
S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,643.95 -
S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,643.95 -
S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,643.95S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines This kit is designed to be used with stock heads or S&S heads with a stock bolt pattern and comes complete with fitted 10.9cc...$1,643.95 -
S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits
S&S Cycle
MSRP: $1,058.95$924.95S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits These Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly...MSRP: $1,058.95$924.95 -
S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines This kit can be used to construct an 88" engine, or to replace the cylinders and piston in an engine with an...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Wrinkle Black 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines
S&S Cycle
MSRP: $1,550.95$1,540.95S&S Cycle - Wrinkle Black 100" Bolt-In Sidewinder® 4" Big Bore Kit fits '99-'06 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your...MSRP: $1,550.95$1,540.95 -
S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,540.95S&S Cycle - Silver 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into...$1,540.95 -
S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement cylinders featuring a 3½"...$840.95 -
S&S Cycle - Silver XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models
S&S Cycle
$1,128.95S&S Cycle - Silver XL883 to 1200 Conversion Kit fits '86-'20 XL 883 Models This conversion kit installs in no time at all since the pistons are already fit to the cylinders, making them prepared for...$1,128.95
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.