Recommended Application: 1948-1969 8:1 to 9:1
Valve Timing Intake Open/Close: 23°/43°
Valve Timing Exhaust Open/Close: 43°/23°
Valve Duration Intake: 246°
Valve Duration Exhaust: 246°
Valve Lift Shovel: .514"
Valve Lift Pan: .540"
Lift @ TDC Intake for Pan: .177"
Lift @ TDC Exhaust for Pan: .177"
Lift @ TDC Intake for Shovel: .169"
Lift @ TDC Exhaust for Shovel: .169"
Requirements: Spring - Yes, Tappet Type - Solid
NOTE: Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance
NOTE: Cams specified for solid tappets may be used with modern high performance hydraulic tappets for shovelhead engines. Stock hydraulic tappets are not recommended. 80-81 engines require conversion to late style valve guides.
The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.
Part 1400164 fits the following machines