Howards Cams Oval Track Lift Rule Hydraulic Flat Tappet Camshaft
The largest selection of “stocking” hydraulic lift rule grinds available. Designed with maximum lobe area and the fastest ramp speeds possible. This gives you more out of the corner torque and better top-end power.
Manufactured on Dedicated High Precision Machines
Held to Strict Tolerances
High grade quality cores
100% Rockwell Tested & Parkerized Ensuring the Highest Quality
Hard protective packaging
Part Type: Camshaft
Cam Series: Oval Track Lift Rule
Application: Chevrolet Small Block 262-400 1955-1998
Ignition Firing Order: (1-8-4-3-6-5-7-2)
Cam Style: Oval Track Lift Rule Hydraulic Flat Tappet
Basic RPM Range: 3800-6800
Manufacturer's Description: .420” Lift Rule, fast 3/8 to ˝ mile banked tracks, good top end power.
Intake Duration @ .050": 237
Exhaust Duration @ .050": 241
Advertised Intake Duration (@ .006"): 290
Advertised Exhaust Duration (@ .006"): 294
Intake Valve Lift with OE Rocker Ratio (1.50): .420”
Exhaust Valve Lift with OE Rocker Ratio (1.50): .420"
Intake Lobe Lift: .280"
Exhaust Lobe Lift: .280"
Intake Valve Lift with 1.55 Rocker Ratio: .434"
Intake Valve Lift with 1.60 Rocker Ratio: .448"
Intake Valve Lift with 1.65 Rocker Ratio: .462"
Exhaust Valve Lift with 1.55 Rocker Ratio: .434"
Exhaust Valve Lift with 1.60 Rocker Ratio: .448"
Exhaust Valve Lift with 1.65 Rocker Ratio: .462"
Lobe Separation Angle: 112 Degrees
Intake Centerline: 108 Degrees
Lifters Included: No
Small Base Circle: No
Cam Gear Attachment: 3-Bolt
Valve Adjustment: Zero Lash Plus ˝ Turn
Manufacturer: Howards Cams & Racing Components™
Manufacturer's Part Number: 112761-12
Weight: 10.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Oil with ZDDP or ZDDP Additive Required. |