ANDREWS Cam - BH Grind - Big Twin - Harley-Davidson '48-'69 - 212420

• Whether you want a better street cam for a stock motor, a big lift cam for a hotrod bike, or something in between then these cams are what you are looking for
• All of these cams are computer designed and precision ground from alloy steel billet
• Timing and Duration measured at .053" cam lift

Note: 

• 1948/1957 Panhead models require engine case machining for installation of a 1958/1984 style cam shaft needle bearing
• Rocker arm ratios are as follows, Panhead 1.5:1, Shovelhead 1.43:1. 1980/1981 Shovelhead motors with anything higher than a valve lift of .430" will require valve guide to top spring collar clearancing

Andrews

• Application: Hydraulic version of a "B" cam.
• Usually a bolt-in spring spacing may be required on Shovelheads 1980/1981.
• Timing: Intake 24/52, Exhaust 52/24
• Duration: Intake 256, Exhaust 256
• Grind: BH, Year: 1948/1969
• Valve Lift: Shovelhead .450", Panhead .470"
• By: ANDREWS PRODUCTS INC

Included Items:

(1) Camshaft assembly

Specs