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Iron Head Motors -- Your source for XLCR parts

    https://www.ironheadmotors.com/
    Iron Head Motors -- Your source for XLCR parts XLCR Parts, new and used for 1000 cc Sportster Cafe Racer, 1977 and 1978 All parts ordered subject to shipping charge. Emailfor actual cost. …

Your guide to the best Ironhead Sportster customs - Bike …

    https://www.bikeexif.com/tag/ironhead-sportster
    Ironhead Sportster When the first Sportsters rolled out of the Harley-Davidson factory in 1957, they were powered by the iconic ‘ironhead’ motor—which would remain in production until 1985. The Sportster is still in production 60 years later, and the ironhead has the longest production history of any Sportster engine.

Lowbrow Spotlight: Double Engine Ironhead Sportster …

    https://www.lowbrowcustoms.com/blogs/events-features/lowbrow-spotlight-double-engine-ironhead-sportster-drag-bike-hot-chop-speed-shop
    To do this, Kentaro was inspired by the many twin-engine dragsters built in the 70's. The dual engines are Harley-Davidson Ironhead Sportster engines. The front engine dates from 1969, the rear engine from 1967 and the 4-speed gearbox from 1980.

IronHeadCycle Home Page

    https://ironheadcycle.com/
    IronHeadCycle LLC Established 2003 Specializing In Sportsters FULL REBUILDS - HARDENED VALVE SEATS - CYLINDER BORING - HELIARC/CASE REPAIR - MACHINE SHOP CASE BEARING RACE LINE LAPPING - ROD RACES LAPPED TO SIZE - MAGNETO TESTING AND REPAIR New Video Posted Frequently... Tips, Tricks, Techniques for Building Engines And Motorcycles..

XLCH Ironhead Land Speed Racer - Return of the Cafe Racers

    https://returnofthecaferacers.com/harley-davidson-cafe-racer/xlch-ironhead-land-speed-racer/
    XLCH Ironhead Land Speed Racer. “You wouldn’t believe how the bike looked when we first got it, so I won’t even show a picture, I will leave that up to your imagination- but it was definitely a diamond in the rough. A 1972 XLCH Ironhead Sportster motor, in an early 70’s XL frame, with lots of stuff zip tied on it to make it look complete.

Drag Racing Engines by Engine Builder Steve Schmidt ...

    https://www.steveschmidtracing.com/racing-engines/drag-racing-engines
    We also offer various short block and cylinder head combinations to choose from. Steve continually strives to build the most innovative drag racing engine combinations for the sportsman racer today! If you have any questions about the engine combination you are interested in, please call 1-800-957-7223 or contact us.

Ironhead 72-85 – Old Bike Barn

    https://oldbikebarn.com/collections/ironhead-72-85
    67-76 XL 70-76 XLCH Ironhead Primary Gasket 3 Pk $18.95 Headlight Bracket Set for 31-38mm Fork Tubes - Black $25.00 Sold Out Cole Foster Grips White $24.95 Chrome Top Motor Mount $25.40 Sold Out Radii Exhaust Drag Pipe Set Goose $83.22 Sold Out Front Brake Hose 40" $39.82 77-81 XL1000 Top End Gasket Kit $34.94 Dual Fire Performance Ignition Kit

Ironhead Dragbike, Gas vs. Alcohol [Archive] - The Sportster and …

    http://xlforum.net/forums/archive/index.php/t-1841079.html
    Regular racing slicks and this thing was like going down to the 7/11 for a quart of milk at 190+. A lot of this was because it was straight, strong and stock in a lot of ways. Methanol made that motor run a lot of runs between stuck pistons which plagued every turbo racer there. Shortening the stroke was another huge step forward.

ironhead performance impossible? - ChopCult

    http://www.chopcult.com/forum/showthread.php?t=13204
    Look up pics of Harley drag bikes from the 70s and 80s. Almost all Ironheads. You can do everything to them. Cams, dual plug it, high compression pistons, port, polish, change gear ratios, you name it. Start with a nice mild cam (Y grind is a nice mid to upper range cam that does not require head work, but you want at least 9:1 compression).

How To Build A Sportster Chapter 1 - IronHeadCycle

    https://www.ironheadcycle.com/pages/howto1.html
    A last resort if you can get at least one thread started, is to smear a little valve grinding compound on the threads and start working the nut back and forth. The valve grinding compound will cut the threads and mate the nut to the swing arm. Make sure you clean out all the valve grinding compound when you are done.

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