Motor Hardware
Slotted 1/4-24 Thread Nut Kit
This special Harley designed nut and installation tool has been reproduced by Colony for all pre-1930 Harley motor cases.
8628-6 Package of 6 cad plated nuts
8629-1 Installation tool
Motor Case Drain Plug/Oil Pump Body Plug
Reproduction of OEM P/N 453-11 or OEM P/N 700 plug fits Big Twin case 1911-1970, oil pump body 1968-1984.
8116-1 Chrome Plated
8117-1 Cad Plated
9675-1 Parkerized
Sprocket Cover Stud and Nut Kit
Exact reproduction of sprocket cover mounting hardware used on Harley 45's 1935-1973.
8621-16 Chrome Plated
8622-16 Cad Plated
9686-16 Parkerized

These complete motor case kits from Colony contain all the necessary hardware to bolt together the Harley motor cases. Each kit is packaged for the specific application. There are no universal "fits all" kits. We know that a rebuild job can only be as good as the nuts and bolts that hold it together.

Motor Case Kits
Stock No. Model Model Years Finish
8121-34 Flathead 1936-1939 Acorn Chrome
8122-34 Flathead 1936-1939 Stock Chrome
8123-34 Flathead 1936-1939 Stock Cad
8124-34 Flathead 1940-1948 Acorn Chrome
8125-34 Flathead 1940-1948 Stock Chrome
8126-34 Flathead 1940-1948 Stock Cad
8127-34 O.H.V. Big Twins 1936-1939 Acorn Chrome
8128-34 O.H.V. Big Twins 1936-1939 Stock Chrome
8129-34 O.H.V. Big Twins 1936-1939 Stock Cad
8130-34 O.H.V. Big Twins 1940-1947 Acorn Chrome
8131-34 O.H.V. Big Twins 1940-1947 Stock Chrome
8132-34 O.H.V. Big Twins 1940-1947 Stock Cad
8133-34 Panhead 1948-1964 Acorn Chrome
8134-34 Panhead 1948-1964 Stock Chrome
8135-34 Panhead 1948-1964 Stock Cad
8136-34 Big Twins 1965-1969 Acorn Chrome
8137-34 Big Twins 1965-1969 Stock Chrome
8138-34 Big Twins 1965-1969 Stock Cad
8139-34 Shovelhead 1970-1978 Acorn Chrome
8140-34 Shovelhead 1970-1978 Stock Chrome
8141-34 Shovelhead 1970-1978 Stock Cad
8142-34 Shovelhead/EVO 1979-1995 Acorn Chrome
8143-34 Shovelhead/EVO 1979-1995 Stock Chrome
8144-34 Shovelhead/EVO 1979-1995 Stock Cad
9882-22 B.T. Evolution 1996-up Acorn Chrome
9883-20 B.T. Evolution 1996-up Flanged Nut Style Chrome
9884-20 B.T. Evolution 1996-up Flanged Nut Style Zinc
9956-18 Twin Cam 88 1999-up Allen Chrome - Knurled
9956-18-P Twin Cam 88 1999-up Allen Chrome - Polished
9955-27 Twin Cam 88 1999-up Acorn Chrome
8619-17 45’s 1937-1973 Stock Chrome
8620-17 45’s 1937-1973 Stock Cad
9697-17 45’s 1937-1973 Parkerized
9878-13 Sportster 1957-1976 Stock Cad
9879-31 Sportster 1977-1990 Stock Zinc
2067-8 Sportster 1957-1976 Allen Chrome - Knurled
2068-10 Sportster 1977-1990 Allen Chrome - Knurled
2075-8 Sportster 1991-up Allen Chrome - Knurled