www.zodiac.nl 07-071 CAM SPECIFICATIONS FOR SHOVELHEAD CAMS Grind Open Close Duration @ .053" Lift Valve Lift SHV4021 Intake 17° 45° 242° .485" Exhaust 45° 17° 242° .485" SHV4030 Intake 22° 50° 252° .485" Exhaust 50° 22° 252° .485" SHV4040 Intake 17° 45° 242° .485" Exhaust 50° 22° 252° .485" SHV4051 Intake 24° 56° 260° .550" Exhaust 1° 29° 270° .550" SHV 4051 Hydraulic cam. Hot street and strip cam for light bikes. Must have aftermarket carburator, high flow exhaust and headwork. Pulls to 7000 rpm. 239736 SHV4051 Camshaft 1970-1977 SHV 4040 Hydraulic cam pulls strong all through power band. Use with performance carburator, Exhaust and valve springs. 239733 SHV4040 Camshaft 1978-1984 SHV 4030 Hydraulic performance cam for use with performance carburator, high flow exhaust and performance valve springs. 239731 SHV4030 Camshaft 1978-1984 SHV 4021 Hydraulic cam Increased mid range over SHV4010. Needs performance valve springs. 239730 SHV4021 Camshaft 1970-1977 These camshafts from V-Thunder provide the ultimate in arm stretching power on the street or in competition. Power proven and backed by hundreds of exhaustive hours on the dyno and in on-bike testing, these cams provide added punch at all levels of performance for Shovelhead motors, while maintaining the longevity and integrity of the valve train parts. Cams that need a Hi-Performance carburetor were found to give the best performance with the Mikuni's HRS42 carburetor. V-Thunder cams are made with SAE 6150 bearing, quality steel and induction hardened for optimum surface longevity. Tolerances are extremely precise with the aid of our computer controlled machining centers. The cams are made in the USA and come with complete installation instructions. 20586 VTHUNDER CAMS FOR SHOVELHEAD BIG TWIN 19701984 CAM SPECIFICATIONS FOR EVOLUTION CAMSHAFTS Grind Open Close Duration @ .053" Lift Valve Lift EVL2000 Intake 2° 38° 220° .480" Exhaust 35° 1° 214° .456" EVL3010 Intake 15° 39° 234° .500" Exhaust 39° 15° 234° .500" EVL3020 Intake 18° 42° 240° .500" Exhaust 42° 18° 240° .500" EVL3070 Intake 29° 61° 270° .608" Exhaust 63° 31° 274° .608" EVL 3070 Very hot street and strip hydraulic cam. Recommended for Big Inch motors. Must increase compression. Cam needs performance carburetor, high flow exhaust, valve springs and headwork. For serious Performance engines builders. 239724 EVL3070 Camshaft EVL 3020 Hydraulic cam to increase the mid-range performance for bikes with aftermarket pipes and carburetors. 239719 EVL3020 Camshaft EVL 3010 Hydraulic cam for a good low end torque and mid-range performance for stock engine. 239718 EVL3010 Camshaft EVL 2000 Hydraulic bolt-in cam is excellent for stock replacements gives good flat torque curve and more power than stock from idle to 4800 RPM 239715 EVL2000 Camshaft These camshafts from V-Thunder provide the ultimate in arm stretching power on the street or in competition. Power proven and backed by hundreds of exhaustive hours on the dyno and in on-bike testing, these cams provide added punch at all levels of performance for Evolution Big Twin motors, while maintaining the longevity and integrity of the valve train parts. Cams that need a Hi-Performance carburetor were found to give the best performance with the Mikuni's HRS42 carburetor. V-Thunder cams are made with SAE 6150 bearing, quality steel and induction hardened for optimum surface longevity. Tolerances are extremely precise with the aid of our computer controlled machining centers. The cams are made in the USA and come with complete installation instructions. 2066 VTHUNDER CAMS FOR 19842000 EVOLUTION BIG TWIN 1970-early 1977 cams and late 1977-1984 are not interchangeable as they have a different tooth pattern. To help you to identify what you need: early style cams have a flat gear, late style cams feature a groove in that gear on the ignition side. CAMS FOR EVO BIG TWIN (Ȧ*ȡ1ȝ (Site 481)
RkJQdWJsaXNoZXIy ODQ0NDEw