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⚙️ Shop67 640HT – The Big-Lift Touring Hot Rod
Specs:
Lift: .640”/.640”
Duration @ .050: 244°/262°
Intake Close: 44° ABDC
The 640HT is the big brother to the 567, combining the same street-friendly manners with a healthy dose of extra lift and airflow. Designed as a hi-lift hot rod touring cam, it brings that unmistakable Shop67 torque hit while extending the pull farther up the rpm range.
Perfect for high-compression 95–124” engines with ported heads and strong valvetrain components, the 640HT delivers brutal midrange torque, crisp throttle response, and effortless highway power — all while keeping it streetable and smooth enough for long hauls.
Requires high-quality valve springs and proper setup.
If the 567 is the street bruiser, the 640HT is its well-mannered heavyweight brother — big lift, big power, refined attitude.
⚙️ Shop67 640HT – The Big-Lift Touring Hot Rod
Specs:
Lift: .640”/.640”
Duration @ .050: 244°/262°
Intake Close: 44° ABDC
The 640HT is the big brother to the 567, combining the same street-friendly manners with a healthy dose of extra lift and airflow. Designed as a hi-lift hot rod touring cam, it brings that unmistakable Shop67 torque hit while extending the pull farther up the rpm range.
Perfect for high-compression 95–124” engines with ported heads and strong valvetrain components, the 640HT delivers brutal midrange torque, crisp throttle response, and effortless highway power — all while keeping it streetable and smooth enough for long hauls.
Requires high-quality valve springs and proper setup.
If the 567 is the street bruiser, the 640HT is its well-mannered heavyweight brother — big lift, big power, refined attitude.