Head Bolt Kit — Chrome

Colony Head Bolt Kit — Chrome

Fits: Big Twin 1948-1972

COLONY
DS-190670
8221-20
Durable fastener set hardened to OEM specifications with rolled threads and precision machining. Made in the USA.
Our price €87.41
RRP: €106.13RRP = manufacturer's recommended retail price
VAT included
Ships from our US warehouse · 20–25 days

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Description

Reliable fastener set designed for secure cylinder assembly and long-term durability.

Features:

  • Hardened to OEM specifications to prevent stretching.
  • All threads are rolled for superior strength and fit.
  • Accurately machined from high-strength material for consistent performance.
  • Proudly made in the USA.

Install with the correct torque values and perform periodic inspections to maintain optimal function.

Fitment

Model Years
Harley Davidson
E 1000 1948
E 1000 (Hydra Glide) 1949–1952
EL 1000 1948
EL 1000 (Hydra Glide) 1949–1952
ELF 1000 (Hydra Glide) 1952
F 1200 1948
F 1200 (Hydra Glide) 1949–1952
FL 1200 1948
FL 1200 (Duo Glide) 1958–1964
FL 1200 (Electra Glide) 1971–1972
FL 1200 (Hydra Glide) 1949–1957
FLB 1200 (Electra Glide) 1965–1969
FLE 1200 (Hydra Glide) 1953–1956
FLEF 1200 (Hydra Glide) 1953–1956
FLF 1200 (Duo Glide) 1958–1964
FLF 1200 (Hydra Glide) 1952–1957
FLFB 1200 (Electra Glide) 1965–1969
FLH 1200 (Duo Glide) 1958–1964
FLH 1200 (Electra Glide) 1970–1971
FLH 1200 (Hydra Glide) 1955–1957
FLHB 1200 (Electra Glide) 1965–1969
FLHF 1200 (Duo Glide) 1958–1964
FLHF 1200 (Hydra Glide) 1955–1957
FLHFB 1200 (Electra Glide) 1965–1969
FX 1200 (Super Glide) 1971–1972

Part numbers

Manufacturer part number 8221-20
OEM cross-references 16814-40, 6469
: DS-190670
Ships from our US warehouse · 20–25 days

Data sheet

Type
Head
Units
Kit
Color/Finish
Chrome, Silver
Base Color
Silver
Style
OEM Style, Hex
Brand
COLONY
Material
Steel
Finish
Chrome
Model Family
Vintage Big Twin

Vehicle Fitments

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Big Twin 1948
Harley Davidson Hydra Glide Big Twin 1949
Harley Davidson Hydra Glide Big Twin 1950
Harley Davidson Hydra Glide Big Twin 1951
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Big Twin 1948
Harley Davidson Hydra Glide Big Twin 1949
Harley Davidson Hydra Glide Big Twin 1950
Harley Davidson Hydra Glide Big Twin 1951
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Big Twin 1948
Harley Davidson Hydra Glide Big Twin 1949
Harley Davidson Hydra Glide Big Twin 1950
Harley Davidson Hydra Glide Big Twin 1951
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Big Twin 1948
Harley Davidson Hydra Glide Big Twin 1949
Harley Davidson Hydra Glide Big Twin 1950
Harley Davidson Hydra Glide Big Twin 1951
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Hydra Glide Big Twin 1953
Harley Davidson Hydra Glide Big Twin 1954
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1957
Harley Davidson Duo Glide Big Twin 1958
Harley Davidson Duo Glide Big Twin 1959
Harley Davidson Duo Glide Big Twin 1960
Harley Davidson Duo Glide Big Twin 1961
Harley Davidson Duo Glide Big Twin 1962
Harley Davidson Duo Glide Big Twin 1963
Harley Davidson Duo Glide Big Twin 1964
Harley Davidson Electra Glide Big Twin 1971
Harley Davidson Electra Glide Big Twin 1972
Harley Davidson Electra Glide Big Twin 1965
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Hydra Glide Big Twin 1953
Harley Davidson Hydra Glide Big Twin 1954
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1953
Harley Davidson Hydra Glide Big Twin 1954
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Hydra Glide Big Twin 1953
Harley Davidson Hydra Glide Big Twin 1954
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1957
Harley Davidson Duo Glide Big Twin 1958
Harley Davidson Duo Glide Big Twin 1959
Harley Davidson Duo Glide Big Twin 1960
Harley Davidson Duo Glide Big Twin 1961
Harley Davidson Duo Glide Big Twin 1962
Harley Davidson Duo Glide Big Twin 1963
Harley Davidson Duo Glide Big Twin 1964
Harley Davidson Electra Glide Big Twin 1965
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1957
Harley Davidson Duo Glide Big Twin 1958
Harley Davidson Duo Glide Big Twin 1959
Harley Davidson Duo Glide Big Twin 1960
Harley Davidson Duo Glide Big Twin 1961
Harley Davidson Duo Glide Big Twin 1962
Harley Davidson Duo Glide Big Twin 1963
Harley Davidson Duo Glide Big Twin 1964
Harley Davidson Electra Glide Big Twin 1970
Harley Davidson Electra Glide Big Twin 1971
Harley Davidson Electra Glide Big Twin 1965
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1957
Harley Davidson Duo Glide Big Twin 1958
Harley Davidson Duo Glide Big Twin 1959
Harley Davidson Duo Glide Big Twin 1960
Harley Davidson Duo Glide Big Twin 1961
Harley Davidson Duo Glide Big Twin 1962
Harley Davidson Duo Glide Big Twin 1963
Harley Davidson Duo Glide Big Twin 1964
Harley Davidson Electra Glide Big Twin 1965
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Super Glide Big Twin 1971
Harley Davidson Super Glide Big Twin 1972

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