Cylinder Heads
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V-Twin - 11-0724 - Cast Iron .002 Exhaust Valve Guide
Motorshop
MSRP: $17.86$17.68V-Twin - 11-0724 - Cast Iron .002 Exhaust Valve GuideDescription.002 cast iron exhaust valve guideInner diameter is .3395-.3400. May have to be honed for final fit. Fits:XL 1957-1982Additional...MSRP: $17.86$17.68 -
V-Twin - 11-0723 - Cast Iron .001 Exhaust Valve Guide
Motorshop
MSRP: $17.86$17.68V-Twin - 11-0723 - Cast Iron .001 Exhaust Valve GuideDescription.001 cast iron exhaust valve guideInner diameter is .3395-.3400. May have to be honed for final fit. Fits:XL 1957-1982Additional...MSRP: $17.86$17.68 -
V-Twin - 11-0722 - Cast Iron Standard Exhaust Valve Guide
Motorshop
MSRP: $19.86$19.66V-Twin - 11-0722 - Cast Iron Standard Exhaust Valve GuideDescriptionStandard cast iron exhaust valve guideInner diameter is .3395-.3400. May have to be honed for final fit. Fits:XL...MSRP: $19.86$19.66 -
V-Twin - 11-0721 - Cast Iron .003 Intake Valve Guide
Motorshop
MSRP: $17.86$17.68V-Twin - 11-0721 - Cast Iron .003 Intake Valve GuideDescription.003 cast iron intake valve guideIntake valve guide inner diameter range is .3085/.3095 Fits:XL 1957-1982Additional InformationMSRP: $17.86$17.68 -
V-Twin - 11-0720 - Cast Iron .002 Intake Valve Guide
Motorshop
MSRP: $17.86$17.68V-Twin - 11-0720 - Cast Iron .002 Intake Valve GuideDescription.002 cast iron intake valve guideIntake valve guide inner diameter range is .3085/.3095 Fits:XL 1957-1982Additional InformationMSRP: $17.86$17.68 -
V-Twin - 11-0718 - Cast Iron Standard Intake Valve Guide
Motorshop
MSRP: $19.86$19.66V-Twin - 11-0718 - Cast Iron Standard Intake Valve GuideDescriptionStandard cast iron intake valve guideIntake valve guide inner diameter range is .3085/.3095 Fits:XL 1957-1982Additional InformationMSRP: $19.86$19.66 -
V-Twin - 11-0712 - Upper Valve Collar Set
Motorshop
$33.53V-Twin - 11-0712 - Upper Valve Collar SetDescriptionUpper steel collar set is for 1981-1984 Big Twin models. This Sifton upper valve collar set is used in motor shop services. Fits:FXR 1982-1983FLT...$33.53 -
V-Twin - 11-0708 - Cast Iron .006 Exhaust Valve Guide - Fits 1971-1978 Harley-Davidson FX, 1948-1978 FL
V-Twin Mfg
$9.76.006 exhaust valve guide, cast iron Fits:FX 1971-1978FL 1948-1978Additional Information UOM1 - EA Man$9.76 -
V-Twin - 11-0707 - Cast Iron .004 Exhaust Valve Guide - Fits 1971-1978 Harley-Davidson FX, 1948-1978 FL
V-Twin Mfg
$9.76.004 exhaust valve guide, cast iron Fits:FX 1971-1978FL 1948-1978Additional Information UOM1 - EA Man$9.76 -
V-Twin - 11-0705 - Cast Iron Standard Exhaust Valve Guide
Motorshop
MSRP: $19.86$19.66V-Twin - 11-0705 - Cast Iron Standard Exhaust Valve GuideDescriptionCast iron exhaust valve guide is standard size Fits:FX 1971-1978FL 1948-1978Additional InformationMSRP: $19.86$19.66 -
V-Twin - 11-0704 - Cast Iron .008 Intake Valve Guide - Fits 1971-1984 Harley-Davidson FX, 1948-1978 FL
V-Twin Mfg
$9.76.008 intake valve guide, cast iron Fits:FX 1971-1984FL 1948-1978Additional Information UOM1 - EA Manu$9.76 -
V-Twin - 11-0703 - Cast Iron .006 Intake Valve Guide - Fits 1971-1984 Harley-Davidson FX, 1948-1978 FL
V-Twin Mfg
$9.76.006 intake valve guide, cast iron Fits:FX 1971-1984FL 1948-1978Additional Information UOM1 - EA Manu$9.76 -
V-Twin - 11-0695 - Cast Iron .003 Exhaust Valve Guide - Fits 1979-1984 Harley-Davidson FX, 1979-1983 FLT, 1982-1983 FXR, 1979-1984 FL
V-Twin Mfg
$9.76Cast iron .003 exhaust valve guide Fits:FX 1979-1984FLT 1979-1983FXR 1982-1983FL 1979-1984Additional Information UOM1 - EA$9.76 -
V-Twin - 11-0691 - Cast Iron .001 Exhaust Valve Guide
Motorshop
MSRP: $11.86$11.74V-Twin - 11-0691 - Cast Iron .001 Exhaust Valve GuideDescription.001 exhaust valve guide, cast iron Fits:FX 1971-1978FL 1948-1978Additional InformationMSRP: $11.86$11.74 -
V-Twin - 11-0687 - Cast Iron .004 Intake Valve Guide
Motorshop
MSRP: $11.86$11.74V-Twin - 11-0687 - Cast Iron .004 Intake Valve GuideDescription.004 cast iron intake valve guideIntake valve guide inner diameter range is .3085/.3095 Fits:XL 1957-1982Additional InformationMSRP: $11.86$11.74 -
V-Twin - 11-0685 - Kibblewhite Bronzonium .004 Intake Valve Guide
Motorshop
MSRP: $11.86$11.74V-Twin - 11-0685 - Kibblewhite Bronzonium .004 Intake Valve GuideDescriptionKibblewhite machine .004 bronzonium intake valve guide Fits:XL 1957-1982Additional InformationMSRP: $11.86$11.74 -
V-Twin - 11-0684 - Kibblewhite Bronzonium .004 Exhaust Valve Guide
Motorshop
MSRP: $11.86$11.74V-Twin - 11-0684 - Kibblewhite Bronzonium .004 Exhaust Valve GuideDescriptionKibblewhite machine .004 exhaust valve guide is bronzonium Fits:XL 1957-1982Additional InformationMSRP: $11.86$11.74 -
V-Twin - 11-0683 - Cast Iron Intake and Exhaust Valve Guide
Motorshop
MSRP: $9.86$9.76V-Twin - 11-0683 - Cast Iron Intake and Exhaust Valve GuideDescriptionCast iron .003 intake and exhaust valve guideOrder correct lifter base screws in either (20) or (24) 1/4" pitch thread. Fits:FXD...MSRP: $9.86$9.76 -
V-Twin - 11-0679 - Nitrate Intake and Exhaust Valve Set
Motorshop
$103.55V-Twin - 11-0679 - Nitrate Intake and Exhaust Valve SetDescriptionSifton nitrate intake and exhaust valve set includes 2 intake and 2 exhaust valves. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...$103.55 -
V-Twin - 11-0676 - 900/1000cc Steel Exhaust Valve
Motorshop
MSRP: $15.86$15.70V-Twin - 11-0676 - 900/1000cc Steel Exhaust ValveDescriptionSifton steel exhaust valve has a racing stem 1-3/4" and have a tulip shape head. Fits:XL 1958-1985Additional InformationMSRP: $15.86$15.70 -
V-Twin - 11-0675 - Nickel Intake and Exhaust Valve Seat Set
Motorshop
$59.70V-Twin - 11-0675 - Nickel Intake and Exhaust Valve Seat SetDescriptionStock replacement intake and exhaust valve seat, nickel. Sold in a set of 4.$59.70 -
V-Twin - 11-0671 - 1200cc Nitrate Steel Intake Valve
Motorshop
MSRP: $15.86$15.70V-Twin - 11-0671 - 1200cc Nitrate Steel Intake ValveDescriptionNitrate steel intake valve Fits:XL 1986-2003Additional InformationMSRP: $15.86$15.70 -
V-Twin - 11-0666 - Steel Lower Valve Collar Set
Motorshop
MSRP: $38.45$37.69V-Twin - 11-0666 - Steel Lower Valve Collar SetDescriptionLower steel valve collars 61", 74" and 80" Big Twin models. Set features a black oxide finish. Fits:FXR 1982-1983FLT 1981-1983FL 1981-1984FX...MSRP: $38.45$37.69 -
V-Twin - 11-0665 - 1000cc Steel Intake Valve
Motorshop
MSRP: $15.86$15.70V-Twin - 11-0665 - 1000cc Steel Intake ValveDescriptionSifton steel "R" type intake valve with 1-15/16" head. intake valves are 3.68" long.R" type valves are .080" longer than the stock valves and...MSRP: $15.86$15.70 -
V-Twin - 11-0664 - Steel Intake Valve
Motorshop
MSRP: $15.86$15.70V-Twin - 11-0664 - Steel Intake ValveDescriptionSifton steel intake valve for Big Twin models. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional InformationMSRP: $15.86$15.70 -
V-Twin - 11-0659 - Oversize Exhaust Valve Seat
Motorshop
$31.72V-Twin - 11-0659 - Oversize Exhaust Valve SeatDescriptionOversize exhaust valve seat has a 1.405 port size. Can be used with unleaded gas. Replacement size is actual size of seat, which is supplied...$31.72 -
V-Twin - 11-0653 - Nickel Exhaust Valve Seat
Motorshop
MSRP: $44.67$43.78V-Twin - 11-0653 - Nickel Exhaust Valve SeatDescriptionStock replacement exhaust valve seat, nickel type, for Big Twin models. For use with leaded or unleaded gasolineMSRP: $44.67$43.78 -
V-Twin - 11-0651 - Nickel Intake Valve Seat
Motorshop
MSRP: $44.67$43.78V-Twin - 11-0651 - Nickel Intake Valve SeatDescriptionStock replacement intake valve seat, nickel type, for Big Twin models. For use with leaded or unleaded gasoline.MSRP: $44.67$43.78 -
V-Twin - 11-0648 - Steel Upper Valve Collar Set
Motorshop
MSRP: $39.40$38.61V-Twin - 11-0648 - Steel Upper Valve Collar SetDescriptionUpper valve collar, steel for 61", 74" and 80" models.Set of four. Fits:FXR 1982-1983FLT 1981-1983FL 1981-1984FX 1981-1984Additional...MSRP: $39.40$38.61 -
V-Twin - 11-0647 - Lower Valve Collar Set
Eastern Motorcycle Parts
MSRP: $42.89$38.21V-Twin - 11-0647 - Lower Valve Collar SetDescriptionCollar set for lower valveSet of four. Fits:EL 1936-1940FL 1941-1947Additional InformationMSRP: $42.89$38.21 -
V-Twin - 11-0644 - Upper Valve Collar Set
Motorshop
$49.13V-Twin - 11-0644 - Upper Valve Collar SetDescriptionUpper steel valve collar set for Big Twin models. Fits:FLT 1979-1983FX 1971-1984EL 1936-1940FL 1941-1984FXR 1982-1983Additional Information$49.13 -
V-Twin - 11-0643 - Oversize Intake Valve Seat
Motorshop
$31.72V-Twin - 11-0643 - Oversize Intake Valve SeatDescriptionOversize intake valve seat is 2-1/16" x 1.687 x 9/32". Can be used with unleaded gas. Replacement size is actual size of seat, which is...$31.72 -
V-Twin - 11-0642 - Oversize Intake Valve Seat
Motorshop
$31.72V-Twin - 11-0642 - Oversize Intake Valve SeatDescriptionOversize intake valve seat is 2" x 1.687 x 9/32". Can be used with unleaded gas. Replacement size is actual size of seat, which is supplied...$31.72 -
V-Twin - 11-0631 - 900/1000cc Chrome Exhaust Valve - Fits 1958-1985 Harley-Davidson XL
V-Twin Mfg
$29.79Exhaust valve, chrome Fits:XL 1958-1985Additional Information OEM No.18080-58A UOM1 - EA <$29.79 -
V-Twin - 11-0630 - Chrome Intake Valve
Motorshop
MSRP: $15.86$15.70V-Twin - 11-0630 - Chrome Intake ValveDescriptionSifton chrome intake valve for Big Twin models Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional InformationMSRP: $15.86$15.70 -
V-Twin - 11-0628 - 1000cc Chrome Intake Valve
Motorshop
$24.18V-Twin - 11-0628 - 1000cc Chrome Intake ValveDescriptionIntake valve is chrome and measures 3.63" long. Fits:XL 1970-1985Additional Information$24.18 -
V-Twin - 11-0625 - Stainless Steel Intake Valve
Motorshop
MSRP: $19.86$19.66V-Twin - 11-0625 - Stainless Steel Intake ValveDescriptionSifton stainless steel intake valve for Shovelhead models. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional InformationMSRP: $19.86$19.66 -
V-Twin - 11-0618 - 900/1000cc Nitrate Steel Exhaust Valve
Motorshop
MSRP: $15.86$15.70V-Twin - 11-0618 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve has a racing stem 1-3/4" and has a tulip shape head for maximum flow. Fits:XL 1958-1985Additional...MSRP: $15.86$15.70 -
V-Twin - 11-0617 - 900/1000cc Nitrate Steel Exhaust Valve
Motorshop
MSRP: $19.86$19.66V-Twin - 11-0617 - 900/1000cc Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve Fits:XL 1958-1985Additional InformationMSRP: $19.86$19.66 -
V-Twin - 11-0615 - Nitrate Steel Exhaust Valve
Eastern Motorcycle Parts
MSRP: $38.13$33.97V-Twin - 11-0615 - Nitrate Steel Exhaust ValveDescriptionNitrate steel exhaust valve is 1/8" oversize for 1948-1985 Big Twin models. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1948-1984FL...MSRP: $38.13$33.97
Harley Cylinder Heads
Harley cylinder heads are key to unlocking better combustion, more horsepower, and crisper throttle response. Whether you're rebuilding a vintage ride or dialing in your current setup, the right heads can completely transform your V-twin—bringing out that iconic Harley sound and strong, reliable torque.
At Deadbeat Customs, we carry Harley cylinder heads from top brands like S&S. These heads are made from premium aluminum and feature CNC-machined combustion chambers, multi-angle valve seats, and high-performance valve springs. Upgrade your motor with Harley cylinder heads that run cooler, last longer, and hit harder. Check out the collection and take your build to the next level.