FRAME SECTION RED PART NUMBERS INDICATE NEW PARTS 2-13 1 2 3 4 5 6 7 8 9 10 11 CONTENTS ELECTRICAL FRAME FRONT END CONTROL WHEEL ENGINE DRIVE TRAIN FUEL EXHAUST GENERAL REFERENCE Rigid & Swingarm Frames • 4 speed transmission and mounting plate found in Section 7 . • Flatside Fat Bob tanks found in Section 8 . • Chain or belt drive swingarm found on Page 2-18 . • OE or aftermarket shocks found on Page 2-23/26 . • 4 speed oil tank found in Section 8 . • 4 speed rear fender supports found on Page 2-31 . Note: As with any frame-up custom build project, it is common shop practice to pre-assemble the entire motorcycle prior to any paint work for compatibility verification of all parts used. BOBBER STYLE RIGID FRAMES FOR BIG TWIN These Rigid Frames have all the rugged good looks of those found years ago but built with the technology of the 21st century. Today’s high output engines require the utmost frame strength, as well as good brakes. These Frames were designed and manufactured with both in mind. Made to fit Panhead, Shovelhead or Big Twin Evolution with solid mount engine. A Manufacturer’s Statement of Origin is included. These Frames have all the rugged good looks of those found years ago but built with the technology of the 21st century. Today’s high output engines require the utmost frame strength, as well as good brakes. These Frames were designed and manufactured with both in mind. Made to fit Panhead, Shovelhead or Big Twin Evolution with solid mount engine. A Manufacturer’s Statement of Origin is included. Description Part # 300 Rake and No Down Tube Stretch 20008 340 Rake and 2” Down Tube Stretch 20009 • 1 1/2” O.D. Drawn Over Mandrel (DOM) .188” wall tubing for backbone strength. • 1 1/4” O.D. Drawn Over Mandrel (DOM) .120” wall tubing for cradle and tail strength. • Additional clearance built-in at backbone for Evolution style engine with up to .200” taller cylinder/head length. Allows rear rocker box to be serviced without removal of entire engine. • Will accept 4 or 5 speed transmission. • For maximum fusion, all high stress areas are TIG welded. • Dual gussets at front & rear motor mounts, and at transmission mounts. • Boxed lower seat post mount. • Welded-on exhaust hanger mount. • Fully machined hourglass style steering neck. • Fork lock tab. • Softail style seat front mounting tab. • 4 or 5 speed transmission & mounting plate found in Section 7 . • Chain final drive. • 1973/1983 chain drive style rear/wheel hub found in Section 5 . • Late 1987/1999 Softail style rear brake assembly found in Section 5 . • Evolution Softail style oil tank & mounts found in Section 8 . • Flatside Fat Bob gas tanks & mounts found in Section 8 . • Removable type fork head cups found in Section 3 . • Rear axle, Softail 1984/1985 found in Section 5 . • Axle adjusters, Softail 1987/1999 found in Section 5 . • Axle spacer/ adjuster, Softail 1986/1999 found in Section 5 . • Seat post style coil mount found in Section 1 . Extra gussets to improve engine mount stability Description Part # 300 Rake and No Down Tube Stretch 20011 34˚ Rake and 2” Down Tube Stretch 20012 SWINGARM FRAMES FOR BIG TWIN 4 SPEED • 1 1/2” O.D. Drawn Over Mandrel (DOM) .188” wall tubing for backbone strength. • 1 1/4” O.D. Drawn Over Mandrel (DOM) x .120” wall tubing for downtubes and frame cradle. • Additional clearance built-in at backbone for Evolution style engine with up to .200” taller cylinder/head length. Allows rear rocker box to be serviced without removal of entire engine. • TIG welded all high stress areas for the most accurate fit possible. • Fully machined hourglass style neck. Special Features Special Features Required Components Required Components Standard Width Standard Width 4 or 5 Speed Chain Drive
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