Colony Cylinder Base Stud Set OEM 16837-78 For Harley Big Twin FX 1978-1984

Colony's cylinder base stud set is a heat-treated black finish with interference threads, designed for Harley-Davidson Big Twin and FX models from 1978 through 1984. This OEM-referenced replacement aligns with part 16837-78 and is made in the USA for precise fit and dependable cylinder sealing.

• Length: 2-5/16 inches
• Cylinder base stud protrusion: approximately 1-3/16 inches from the case surface for cast iron Big Twin cylinders
• Complete set: includes multiple studs for full cylinder assembly replacement
• Compatibility: OEM cross-reference 16837-78; fits Harley FL models 1978–1984, FLT 1979–1983, FX 1978–1984, FXR 1982–1983
• Installation: ensure proper alignment and torque to specifications for longevity and performance
• Made in USA: Colony quality and precision standards

Designed for builds and restorations, the set helps maintain engine integrity by providing authentic fit and durable hardware to match your Harley's standards.

Cylinder base stud set are heat treated black studs with an interference thread.

Upgrade or restore your Harley Davidson Big Twin or FX series motorcycle with the Colony Cylinder Base Stud Set, designed specifically for years 1978 through 1984. Crafted in the USA, this set ensures a precise fit and reliable performance to help maintain engine integrity. The studs feature a length of 2-5/16 inches, with the cylinder base studs protruding approximately 1-3/16 inches from the case surface for cast iron Big Twin cylinders, ensuring proper installation and head sealing. The set is compatible with OEM part number 16837-78, making it an ideal choice for OEM replacements or restorations. Installation requires the studs to be properly aligned to ensure optimum cylinder sealing and engine performance. Maintaining accurate torque specifications during installation is crucial for longevity and performance. Whether you're rebuilding your engine or replacing worn studs, this set provides an authentic fit and durability to match your Harley's standards.

Features:

• OEM Cross Reference: 16837-78, ensuring compatibility with original Harley Davidson parts

• Protrusion Specification: Cylinder base studs should extend 1-3/16 inch from case surface for cast iron Big Twin cylinders

• Complete Set: Includes multiple studs for comprehensive cylinder assembly replacement

• Made in USA: Crafted with quality and precision standards for durability and reliability

• Application Compatibility: Fits Harley Davidson FL models from 1978 to 1984 and FX models from 1978 to 1980

Fitment:
Harley Davidson FL 1978
Harley Davidson FL 1979
Harley Davidson FL 1980
Harley Davidson FL 1981
Harley Davidson FL 1982
Harley Davidson FL 1983
Harley Davidson FL 1984
Harley Davidson FLT 1979
Harley Davidson FLT 1980
Harley Davidson FLT 1981
Harley Davidson FLT 1982
Harley Davidson FLT 1983
Harley Davidson FX 1978
Harley Davidson FX 1979
Harley Davidson FX 1980
Harley Davidson FX 1981
Harley Davidson FX 1982
Harley Davidson FX 1983
Harley Davidson FX 1984
Harley Davidson FXR 1982
Harley Davidson FXR 1983