Engine
- Product
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- Quantity
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V-Twin - 42-5524 - Rocker Box Cover Set Chrome
V-Twin Mfg
$439.90V-Twin - 42-5524 - Rocker Box Cover Set ChromeDescriptionChrome rocker box cover set is a 6 piece kit. Covers have a smooth finish and includes gasket for both heads. Fits:XLS 2007-UPAdditional Information UOM1 - SET FinishChrome ManufacturerV-Twin ...$439.90 -
V-Twin - 42-5520 - Rocker Box Cover Set Chrome - Fits 2004-2006 Harley-Davidson XL
V-Twin Mfg
$415.15Chrome rocker box cover set is a 6 piece kit. Covers have a smooth finish and include gaskets for both heads. Fits:XL 2004-2006Additional Information UOM1 - SET FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog Pages838$415.15 -
V-Twin - 42-3637 - Lower Valve Spring Cup Set Parkerized - Fits 1936-1937 Harley-Davidson EL
V-Twin Mfg
$683.11Include 4 piece set of lower covers with steel oil lines and nuts brazed in place and 4 piece cover set, which features a parkerized finish.Complete set for four valves include four snap on tops and bottoms. Use the correct rocker box seal set for this...$683.11 -
V-Twin - 42-1220 - Black Accent XL Rocker Box Cover Set
V-Twin Mfg
$325.40V-Twin - 42-1220 - Black Accent XL Rocker Box Cover SetDescriptionTop cover set, gloss black with milled grooves, includes the screws.Sold as a pair. *NOTE: Gaskets not included, must order separately. Fits:XL 2004-UPAdditional Information UOM1 - SET ...$325.40 -
V-Twin - 42-1171 - Chrome Left Side Cylinder Base Cover
V-Twin Mfg
MSRP: $39.87$39.07V-Twin - 42-1171 - Chrome Left Side Cylinder Base CoverDescriptionCylinder base cover will smooth and add decorative chrome to the area below the cylinder bases of the engine.The long bolt is 3-1/2" drive allen head and is 5/16"-24 thread. The short bolt...MSRP: $39.87$39.07 -
V-Twin - 42-1170 - M8 Finned Spark Plug Cover Set Granite
V-Twin Mfg
MSRP: $71.37$70.65V-Twin - 42-1170 - M8 Finned Spark Plug Cover Set GraniteDescriptionGranite finned spark plug cover set for M8 models. Fits:FLT 2017-UPAdditional Information OEM No.25800062 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages33MSRP: $71.37$70.65 -
V-Twin - 42-1169 - Ignition Module Cover Chrome - Fits 2012-2017 Harley-Davidson FXD
V-Twin Mfg
$103.38Description Chrome ignition module cover is replacement on 2012-2017 FXD models.Order screw set separately. Fits: FXD 2012-2017 Additional Information OEM No. 66361-12 UOM 1 -...$103.38 -
V-Twin - 42-1160 - M8 Finned Spark Plug Cover Set Black
V-Twin Mfg
MSRP: $71.37$70.65V-Twin - 42-1160 - M8 Finned Spark Plug Cover Set BlackDescriptionBlack finned spark plug cover set for M8 models. Fits:FLT 2017-UPAdditional Information OEM No.25800061 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages33MSRP: $71.37$70.65 -
V-Twin - 42-1157 - Head Bolt and Spark Plug Cover Kit Black
V-Twin Mfg
$60.46V-Twin - 42-1157 - Head Bolt and Spark Plug Cover Kit BlackDescriptionBlack cylinder head bolt and spark plug cover kit. Fits:XL 2004-UPAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages854$60.46 -
V-Twin - 42-1156 - Head Bolt and Spark Plug Cover Kit Silver
V-Twin Mfg
$60.46V-Twin - 42-1156 - Head Bolt and Spark Plug Cover Kit SilverDescriptionSilver cylinder head bolt and spark plug cover kit. Fits:XL 2004-UPAdditional Information OEM No.44296-04 UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages854$60.46 -
V-Twin - 42-1154 - Head Bolt and Spark Plug Cover Kit Silver - Fits 1999-2006 Harley-Davidson FLST, FXST, FLT, FXD
V-Twin Mfg
$60.46Silver cylinder head bolt and spark plug cover kit for carbureted models. Fits:FLST 1999-2006FXST 1999-2006FLT 1999-2006FXD 1999-2006Additional Information OEM No.43840-01 UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages36$60.46 -
V-Twin - 42-1092 - Brass Cylinder Head Bolt Cover - Fits 1991-2017 Harley-Davidson FXD, 1986-2017 FLST, 1984-2017 FXST, 1984-1994 FXR, 1984-2017 FLT
V-Twin Mfg
$50.39Solid brass cylinder head bolt cover is a four piece set. Fits:FXD 1991-2017FLST 1986-2017FXST 1984-2017FXR 1984-1994FLT 1984-2017Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages36$50.39 -
V-Twin - 42-1010 - Air Scoop Chrome - Fits 1991-2016 Harley-Davidson FLT
V-Twin Mfg
MSRP: $68.03$67.35Chrome air scoop mounts on left side top motor mount studs. Air scoop offers improved cooling and acts as a horn cover.Measures 9" long, 7-1/2" wide, and 3" deep. Fits:FLT 1991-2016Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported ...MSRP: $68.03$67.35 -
V-Twin - 42-1001 - Ignition Module Cover Chrome - Fits 2004-2011 Harley-Davidson FXD
V-Twin Mfg
$73.95Replacement chrome ignition module cover for use on all 2004-2011 FXD models.Order chrome screw set separately. Fits:FXD 2004-2011Additional Information OEM No.66426-04 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages344$73.95 -
V-Twin - 42-0983 - Cover Strip and Gasket Kit Chrome - Fits 1941-1947 Harley-Davidson FL, 1937-1940 EL
V-Twin Mfg
$97.23Chrome cover strip and gasket kitHardware included. Fits:FL 1941-1947EL 1937-1940Additional Information UOM1 - KIT FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog Pages515$97.23 -
V-Twin - 42-0953 - Flywheel Sensor Cover Chrome
V-Twin Mfg
$9.76V-Twin - 42-0953 - Flywheel Sensor Cover ChromeDescriptionChrome flywheel sensor cover includes mount screw. Fits:FLT 1999-UPFXD 1999-2017Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages160$9.76 -
V-Twin - 42-0937 - Pushrod Cover and Tappet Base Kit
V-Twin Mfg
$214.25V-Twin - 42-0937 - Pushrod Cover and Tappet Base KitDescriptionChrome billet pushrod cover and tappet base set.Gaskets are sold separately. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPFXD 1999-2017Additional Information UOM1 - KIT FinishChrome ...$214.25 -
V-Twin - 42-0933 - Chrome Cam Cover Trim
V-Twin Mfg
$117.93V-Twin - 42-0933 - Chrome Cam Cover TrimDescriptionThe covers fit over stock cam cases on XL models. There is no need to remove cam case or disturb cams or gears. Covers are held in place by existing bolts and related hardware as supplied and for use on...$117.93 -
V-Twin - 42-0932 - Chrome Cam and Sprocket Cover Kit
V-Twin Mfg
$155.65V-Twin - 42-0932 - Chrome Cam and Sprocket Cover KitDescriptionKit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one with a chrome master cylinder cover. Hardware is included.Designed for 2004-up XL...$155.65 -
V-Twin - 42-0930 - Transmission Sprocket Cover Trim
V-Twin Mfg
$62.63V-Twin - 42-0930 - Transmission Sprocket Cover TrimDescriptionChrome transmission sprocket cover trim includes screws. Fits:XL 2004-UPAdditional Information OEM No.34944-04 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog...$62.63 -
V-Twin - 42-0914 - Chrome Cam and Sprocket Cover Kit - Fits 1979 Harley-Davidson XL
V-Twin Mfg
$259.60Kit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one. Hardware is included.Designed for use on 1979 XL models with kick starter and electric start with chain drive. ...$259.60 -
V-Twin - 42-0903 - Pushrod Cover Set Chrome - Fits 1984-1998 Harley-Davidson FXST, FLT, 1991-1998 FXD, 1984-1994 FXR, 1986-1998 FLST
V-Twin Mfg
$143.45Chrome pushrod cover set with chrome tappet base covers as a complete dress up kit for Big Twin models. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST 1986-1998Additional Information UOM1 - KIT FinishChrome ManufacturerV-Twin ...$143.45 -
V-Twin - 42-0901 - Replica Panhead Valve Cover Chrome - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$155.65Replica Panhead valve covers are manufactured of stainless steel then chrome plated. Set is produced by new tooling for exact fit and shape. Fits:FL 1948-1965Additional Information OEM No.17500-48 UOM1 - SET FinishChrome ManufacturerV-Twin ...$155.65 -
V-Twin - 42-0898 - Chrome Cam and Sprocket Cover Kit - Fits 1971-1976 Harley-Davidson XL
V-Twin Mfg
MSRP: $160.81$151.96Kit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one. Hardware is included.Designed for use on 1971-1976 XL models with electric start with chain drive. ...MSRP: $160.81$151.96 -
V-Twin - 42-0897 - Chrome Cam and Sprocket Cover Kit - Fits 1977-1978 Harley-Davidson XL
V-Twin Mfg
$183.06Kit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one. Hardware is included.Designed for use on 1977-1978 XL models with kick starter and electric start with chain drive. ...$183.06 -
V-Twin - 42-0896 - Chrome Cam and Sprocket Cover Kit - Fits 1977-1978 Harley-Davidson XL
V-Twin Mfg
$183.06Kit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one. Hardware is included.Designed for use on 1977-1978 XL models with kick starter and chain drive. ...$183.06 -
V-Twin - 42-0895 - Chrome Cam and Sprocket Cover Kit - Fits 1971-1976 Harley-Davidson XL
V-Twin Mfg
$190.92Kit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one. Hardware is included.Designed for use on 1971-1976 XL models with kick starter and electric start with chain drive. ...$190.92 -
V-Twin - 42-0894 - Chrome Cam and Sprocket Cover Kit - Fits 1971-1976 Harley-Davidson XL
V-Twin Mfg
$207.63Kit includes a chrome sprocket cover to replace stock and chrome cam cover trim to fit over the existing one. Hardware is included.Designed for use on 1971-1976 XL models with kick starter and chain drive. ...$207.63 -
V-Twin - 42-0864 - Replica Rocker Arm Cover Strap Gasket Kit - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$113.69Kit includes parkerized cover strips, gaskets and black hex head phillips screws for Knuckleheads. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - KIT FinishParkerized ManufacturerV-Twin OriginImported 2025 Catalog Pages515$113.69 -
V-Twin - 42-0863 - Replica Rocker Arm Cover Set Chrome - Fits 1941-1947 Harley-Davidson FL, 1938-1940 EL
V-Twin Mfg
$142.11Replica chrome rocker arm cover set.Order strip set with gaskets and screws separately. Fits:FL 1941-1947EL 1938-1940Additional Information UOM1 - SET MeasurementsAdditional InformationThickness: .040" FinishChrome ManufacturerV-Twin ...$142.11 -
V-Twin - 42-0854 - Knucklehead Rocker Arm Cover Set Parkerized - Fits 1941-1947 Harley-Davidson FL, 1938-1940 EL
V-Twin Mfg
$98.88Parkerized Knucklehead rocker arm cover set includes two intake and two exhaust covers only, without screws.Order strip set with gasket and screws separately. Fits:FL 1941-1947EL 1938-1940Additional Information UOM1 - SET MeasurementsAdditional...$98.88 -
V-Twin - 42-0845 - Transmission Sprocket Cover Trim - Fits 1991-2003 Harley-Davidson XL
V-Twin Mfg
$48.38Our V-Twin chrome sprocket cover trim helps cover up your worn sprocket cover or you can use it to just simply dress up your existing ride. The cover includes screws. Fits:XL 1991-2003Additional Information OEM No.34939-98 UOM1 - EA ManufacturerV-Twin...$48.38 -
V-Twin - 42-0843 - Transmission Sprocket Cover Trim Chrome - Fits 1981-1985 Harley-Davidson XL
V-Twin Mfg
MSRP: $43.51$42.64Chrome transmission sprocket cover trim includes screws. Fits:XL 1981-1985Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages836MSRP: $43.51$42.64 -
V-Twin - 42-0796 - Rocker Box Dress Cover Set Chrome
V-Twin Mfg
$148.91V-Twin - 42-0796 - Rocker Box Dress Cover Set ChromeDescriptionDress up your XL with our V-Twin Mfg. Chrome rocker box dress cover set that fits over your stock rocker boxes and mount using the chrome allen screws included. Fits:XL 1986-UPAdditional...$148.91 -
V-Twin - 42-0792 - Rocker Box Cover Set Chrome - Fits 1991-2003 Harley-Davidson XL
V-Twin Mfg
$479.50Chrome rocker box six piece cover kit includes gaskets for both heads.Six piece cover set, three pieces used for each cylinder head. Fits:XL 1991-2003Additional Information UOM1 - KIT FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog...$479.50 -
V-Twin - 42-0789 - Top Rocker Box Cover and D-Ring Kit Chrome - Fits 1986-2003 Harley-Davidson XL
V-Twin Mfg
$200.37Chrome top rocker box cover set includes d-ring kit. Fits:XL 1986-2003Additional Information UOM1 - KIT FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog Pages831 Replacement Items43-0151 - Chrome Top Rocker Box Cover11-0585 - Rocker Box...$200.37 -
V-Twin - 42-0788 - Rocker Box Cover Set Chrome - Fits 1986-2000 Harley-Davidson XL
V-Twin Mfg
$552.66Chrome rocker box cover set is 6 pieces and includes gaskets for both heads. Fits:XL 1986-2000Additional Information UOM1 - SET FinishChrome ManufacturerV-Twin OriginImported 2025 Catalog Pages838 Replacement Items43-0151 - Chrome Top Rocker Box...$552.66 -
V-Twin - 42-0787 - Chrome Rocker Box Cover Set - Fits 1992-1999 Harley-Davidson FLT, FXST, FXD, 1992-1994 FXR, 1992-1999 FLST, FXDWG
V-Twin Mfg
$474.57Chrome rocker box cover sets are precision die cast covers that are machined. This six piece set includes all necessary gaskets for installation for both heads. Fits:FLT 1992-1999FXST 1992-1999FXD 1992-1999FXR 1992-1994FLST 1992-1999FXDWG...$474.57 -
V-Twin - 42-0772 - Cylinder Head Locker Aluminum - Fits 1986-1991 Harley-Davidson FXR, FXST, FLST, FLT
V-Twin Mfg
$27.92Cylinder head locker fits Big Twin 1340 models in shot peened natural aluminum. Set screws are included for installation. Fits:FXR 1986-1991FXST 1986-1991FLST 1986-1991FLT 1986-1991Additional Information UOM1 - SET ManufacturerV-Twin OriginUSA 2025...$27.92 -
V-Twin - 42-0771 - Replica Stainless Steel Panhead Valve Cover - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$157.31Replica Panhead valve covers are manufactured of magnetic stainless steel with polishing. Covers are the authentic reproduction using new updated tooling for exact fit and shape.*NOTE: May have some polishing marks. Fits:FL 1948-1965Additional...$157.31
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.