Mutha' Thumpr 235/249 Hydraulic Flat Cam for Chrysler 426 HEMI. High performance street/strip High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle...

Has Rough Idle. Stock springs cannot be used. Street/strip use. 3000+ stall or 4 speed, has rough idle. Fits Chrysler 426 HEMI

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...

The Tri-Power Xtreme 210/218 Hydraulic Roller Cam Optimized horsepower with good torque and average fuel economy. Needs programmer. Chrysler: Aspen 07 - 08 5.7 L Engine, Jeep: Grand Cherokee 06 - 10...

The Tri-Power Xtreme 202/212 Hydraulic Roller Cam Exceptional torque with good horsepower and moderate fuel economy. Needs programmer. Chrysler: Aspen 07 - 08 5.7 L Engine, Jeep: Grand Cherokee 06 -...

The Tri-Power Xtreme 194/206 Hydraulic Roller Cam Optimized fuel mileage with good torque and horsepower. Needs programmer. Dodge: Charger 06 - 10 6.1 L Engine, Dodge: Charger 06 - 08 5.7 L Engine,...

The XFI 224/228 Hydraulic Roller Cam Needs extended rev limit and better exhaust, strongest power over 2500 RPM. Requires custom tuning. Dodge: Charger 06 - 10 6.1 L Engine, Dodge: Charger 06 - 08 5...

The XFI 208/212 Hydraulic Roller Cam Slight noticeable idle, slight tuning modifications, excellent torque throughout range. Needs programmer. Chrysler: Aspen 07 - 08 5.7 L Engine, Jeep: Grand...

The XFI 216/220 Hydraulic Roller Cam Noticeable idle, moderate tuning modifications, strong mid-range. Needs programmer. Chrysler: Aspen 07 - 08 5.7 L Engine, Jeep: Grand Cherokee 06 - 10 6.1 L...

Classic Thumpr 227/241 Hydraulic Flat Cam for Chrysler 392 HEMI. High performance street, stock converter ok, best with 2000+ converter and Gears. Choppy/thumping idle. High performance street, stock...

Classic Thumpr 235/249 Hydraulic Flat Cam for Chrysler 392 HEMI. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle. High performance...

Classic Thumpr 243/257 Hydraulic Flat Cam for Chrysler 392 HEMI. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle. Street/strip, needs 9.5:1+...