Engine
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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...$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...$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"...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 InformationMSRP: $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$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 InformationMSRP: $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$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$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$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 <$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...MSRP: $68.03$67.35 -
V-Twin - 42-1001 - Ignition Module Cover Chrome - Fits 2004-2011 Harley-Davidson FXD
V-Twin Mfg
$152.86Replacement chrome ignition module cover for use on all 2004-2011 FXD models.Order chrome screw set separately. Fits:FXD 2004-2011Additional Information OEM$152.86 -
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$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$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...$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...$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...$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$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...$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$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$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...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...$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...$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...$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...$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 UO$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 UOM$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...$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...$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 ManMSRP: $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...$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$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 Finish$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$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...$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...$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...$157.31 -
V-Twin - 42-0758 - Panhead D-Ring Set Zinc - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$45.56Zinc d-rings are steel style for Panhead models.Sold as a set of 2. Fits:FL 1948-1965Additional Information OEM No.17507-51$45.56 -
V-Twin - 42-0754 - Chrome Rocker Box Cover Set - Fits 1984-1991 Harley-Davidson FLT, FXR, 1986-1991 FLST, 1984-1991 FXST
V-Twin Mfg
$467.34Set consists of precision die-cast covers that are machine polished and chrome plated. This six piece complete set includes all necessary gaskets for the installation of both Evolution heads.*NOTE:...$467.34
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.