COMP Big Mutha' Thumpr Camshaft 64-02 Chrysler Dodge Plymouth 273-360ci V8

Description COMP Big Mutha’ Thumpr Camshaft 64-02 Chrysler Dodge Plymouth 273-360ci V8 – CCA20-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam for Chrysler 273-360 Advertised Exhaust Duration: 313 Advertised Intake Duration: 295 Assembly Lubricant Included: Yes Basic Operating RPM Range: 2,500-6,400 Cam Type: Hydraulic Flat Tappet Camshaft Gear Attachment: 1-Bolt Camshaft Material: Cast Iron Camshaft Series: Thumpr Engine Family: Chrysler 273-360 c.i. 8 Cylinder (1964-2002) Exhaust Duration at .050 inch Lift: 257 Exhaust Valve Lift: 0.494 Grind Number: 295TH7 Intake Duration at .050 Inch Lift: 243 Intake Valve Lift: 0.507.

Lifter Style: Hydraulic Flat Tappet Lifters Included: No Lobe Separation: 107 Usage: Street/Strip Valve Springs Required: Yes Cam and Lifter Kit Upgrade: CL20-602-4 K-Kit Upgrade: K20-602-4.

Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series’ early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband. Additionally, Thumpr camshafts typically deliver reduced vacuum at idle, making a vacuum canister, pump or hydroboost a requirement for vehicles running power brakes.