Howards Cams, Mechanical Roller Camshaft, Ford Small Block 221-302, 351W
Howards Cams Mechanical Roller Camshaft
From the humble beginnings to an industry leader today Howards Cams™ has not forgotten the customer. Howards Cams™ main objective is to produce the highest quality product at a reasonable price. The name Howards Cams ™ has been synonymous with high performance camshafts in 1945. A great number of valvetrain innovation scan be traced back to Howards Cams™ is at the forefront of the camshaft industry. Money saving cam and lifter sets include cam, a matched set of premium lifters and assembly lube.
Part Type: Camshaft
Application: Ford Small Block 221-302 1963-1995, 351W 1969-96
Ignition Firing Order: (1-3-7-2-6-5-4-8)
Cam Style: Mechanical Roller Camshaft
Basic RPM Range: 2400-6400
Manufacturers Description: Rough idle, strong low to mid range power band, 10.0:1+ CR, 2500+ stall.
Intake Duration @ .050": 243
Exhaust Duration @ .050": 249
Advertised Intake Duration (@ .050"): 275
Advertised Exhaust Duration (@ .050"): 281
Intake Valve Lift with OE Rocker Ratio (1.60): .592"
Exhaust Valve Lift with OE Rocker Ratio (1.60): .600"
Intake Lobe Lift: .370"
Exhaust Lobe Lift: .375"
Intake Valve Lift with 1.65 Rocker Ratio: .611"
Intake Valve Lift with 1.70 Rocker Ratio: .629"
Intake Valve Lift with 1.72 Rocker Ratio: .636”
Exhaust Valve Lift with 1.65 Rocker Ratio: .618"
Exhaust Valve Lift with 1.70 Rocker Ratio: .637"
Exhaust Valve Lift with 1.72 Rocker Ratio: .645”
Lobe Separation Angle: 108 Degrees
Intake Centerline: 104 Degrees
Small Base Circle: No
Lifters Included: No
Cam Gear Attachment: Single-Bolt
Valve Adjustment: Zero Lash Plus ˝ Turn
Manufacturer: Howards Cams & Racing Components
Manufacturer's Part Number: 220173-08
Weight: 14.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
Note: Stock (O.E.) valve springs cannot be used.
Note: Requires upgraded distributor gear.
Note: Ford SB 221-302 ignition firing order must be changed to 1-3-7-2-6-5-4-8.