COMP Cams Thumpr Pro-Plasma Nitrided Camshafts 12-601-20

COMP Cams Thumpr flat tappet Pro-Plasma nitrided camshafts offer performance and extreme durability. Three unique cam designs--Thumpr, Mutha' Thumpr and Big Mutha' Thumpr--deliver excellent horsepower gains, broad torque curves, and improved surface hardness for your muscle car and street rods. Pro-Plasma nitriding introduces nitrogen into the cam material for improved initial and long-term wear characteristics. It's the best way to increase the hardness and lubricity of Thumpr flat tappet cams. Don't be blinded by the shiny cam finishes--choose race-proven COMP Cams Thumpr Pro-Plasma nitrided camshafts.Brand: COMP Cams
Manufacturer's Part Number: 12-601-20
Part Type: Camshafts
Product Line: COMP Cams Thumpr Pro-Plasma Nitrided Camshafts
HP Direct Part Number: CCA-12-601-20
UPC: 036584177937
Cam Style: Hydraulic flat tappet
Camshaft Use: Street/Strip
Camshaft Manufacturers Description: HYDRAULIC - Mutha' Thumprâ„¢ - High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Basic Operating RPM Range: 2,200-6,100
Intake Duration at 050 inch Lift: 235
Exhaust Duration at 050 inch Lift: 249
Duration at 050 inch Lift: 235 int./249 exh.
Advertised Intake Duration: 287
Advertised Exhaust Duration: 305
Advertised Duration: 287 int./305 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.489 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.476 in.
Valve Lift with Factory Rocker Arm Ratio: 0.489 int./0.476 exh.
Lobe Separation (degrees): 107
Camshaft Gear Attachment: 3-bolt
Remanufactured: No
Computer-Controlled Compatible: No
Grind Number: 287TH7
Valve Springs Required: Yes
Quantity: Sold individually.