V-Twin Cylinder Head Set For FL 1966-75 Polished Rocker Box

Complete valve job for maximum airflow, horsepower, and torque comes built into the V-Twin Cylinder Head Set with Polished Rocker Box for Harley-Davidson FL models from 1966 to 1975.

Set is assembled with cast iron guides, valve stem seals, and nitrated valves. The heads are configured as single plug units and come assembled with polished rocker boxes for a clean appearance and reliable sealing. Max valve lift is.450 inches, delivering enhanced valve operation and durability for stock and performance applications. Sold as a pair for a comprehensive engine upgrade. Crafted in Taiwan, these heads meet high manufacturing standards and are provided as a convenient kit for easy installation.

Fitment includes:

• Harley Davidson FL 1966
• Harley Davidson FL 1967
• Harley Davidson FL 1968
• Harley Davidson FL 1969
• Harley Davidson FL 1970
• Harley Davidson FL 1971
• Harley Davidson FL 1972
• Harley Davidson FL 1973
• Harley Davidson FL 1974
• Harley Davidson FL 1975
• Harley Davidson FL 1976
• Harley Davidson FL 1977
• Harley Davidson FX 1971
• Harley Davidson FX 1972
• Harley Davidson FX 1973
• Harley Davidson FX 1974
• Harley Davidson FX 1975
• Harley Davidson FX 1976
• Harley Davidson FX 1977

Ideal for restoring vintage engines or boosting power in custom builds, delivering reliable performance and a refined look. Pair with Replica Shovelhead Cylinder Head Set or Rocker Box Assembly Polished Finish for enhanced compatibility and aesthetics.

Set is assembled with cast iron guides valve stem seals and nitrated valves

Upgrade your Harley Davidson FL engine with the V-Twin Cylinder Head Set with Polished Rocker Box, designed for models from 1966 to 1975. These heads feature a complete valve job that maximizes airflow for increased horsepower and torque, providing improved engine performance and efficiency. The heads are configured as single plug units and come assembled with polished rocker boxes, offering a sleek appearance along with optimal functionality. Max valve lift of.450 inches ensures enhanced valve operation and durability, making these heads suitable for both stock and performance applications. This set is ideal for restoring vintage Harley engines or boosting overall power in custom builds, delivering reliable performance and a refined look. Crafted in Taiwan, these heads meet high manufacturing standards and are sold as a convenient kit for easy installation. Pairing well with other recommended components, such as the Replica Shovelhead Cylinder Head Set or the Rocker Box Assembly Polished Finish, these heads are a versatile choice for motorcycle enthusiasts seeking quality and performance upgrades.

Features:

• Complete valve job for maximum airflow, horsepower, and torque

• Single plug design with polished rocker boxes for a clean look

• Max lift of.450 inches for enhanced valve operation

• Sold as a pair for comprehensive engine upgrade

• Constructed in Taiwan with high manufacturing standards

Fitment:
Harley Davidson FL 1966
Harley Davidson FL 1967
Harley Davidson FL 1968
Harley Davidson FL 1969
Harley Davidson FL 1970
Harley Davidson FL 1971
Harley Davidson FL 1972
Harley Davidson FL 1973
Harley Davidson FL 1974
Harley Davidson FL 1975
Harley Davidson FL 1976
Harley Davidson FL 1977
Harley Davidson FX 1971
Harley Davidson FX 1972
Harley Davidson FX 1973
Harley Davidson FX 1974
Harley Davidson FX 1975
Harley Davidson FX 1976
Harley Davidson FX 1977