Download The 45 Performance Book

U, UL, US, UA, UM, UMG, UH, ULH
E,EL,F,FL
E,EL,F,FL,FLE,FLP,FLH
1937-48
1937-41
1936-47
1941-47
Alternator & Evo (cone) FLH, FX etc.
1200, 1340
XL, XLH, XLCH
1948-52
1948-69
1970-*
1978-*
1957-71
XLH, XLCH, XLX, XLCR, XR 1000
1972-85
Evo XLH etc. 883, 1100, 1200
1986-*
74,
80"
61, Simple adapt: F-type cylinders & heads 1948-84,
74" but cylinder flange will over-hang left crankcase
deck. Possible complex adapt: Evo (1984-*).
61, Simple adapt: F-type cylinders & heads 1936-47,
74" 1966-84. Possible complex adapt: Evo (1984-*).
74, Cases accept almost any barrel up to 3.8125" with­
82" out welding, studs must be moved.
55" Possible adapt: most 1952-56 K-type parts.
Possible adapt: most X-type parts 1972-85.
Possible complex adapt: 1936-85 F-type cylinders
& heads. Possible complex adapt: Evo (1984-*),
major welding.
61" Possible adapt: most 1952-56 K-type parts.
Possible adapt: most X-type parts 1957-71.
Possible complex adapt: 1936-85 F-type cylinders
& heads. Possible complex adapt: Evo (1984-*),
major welding.
54, Cases accept almost any barrel up to 3.8125" with­
67, out welding, studs must be moved.
74"