Comp Cams Thumpr Hydraulic Roller Cams Product images may differ from actual product appearance. Thumpr Camshafts are available in three different grind profiles, each one of which will produce a rough, racy exhaust note and impressive amounts of horsepower and torque at a different rpm range. Their cutting-edge hydraulic roller design means that they will deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance. So look no further than the Thumpr line of camshafts - engineered to deliver that much sought-after ''thumping'' idle quality to everyone. Thumpr Small Block Chevy Retro-Fit Hydraulic Roller Cams Retro-fit hydraulic roller design will fit all factory flat tappet equipped Small Block Chevy and Ford Windsor 3 grinds to fit all of your cruising and street performance needs Long exhaust duration and other grind characteristics produce a powerful, hard-hitting exhaust note Excellent horsepower gains and broad torque curve deliver real seat of the pants performance Designed for use with the latest in valve train component advancements such as Beehive Valve Springs, Pro Magnum Roller Rockers and Magnum Pushrods Thumpr Sound Clip Mutha Thumpr Sound Clip

249-12-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Camshaft Only More info on Comp Cams 12-600-8 Fits Applications

$289.99 Ships

249-CL12-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Cam & Lifter Kit More info on Comp Cams CL12-600-8 Fits Applications

$719.99 Ships

249-K12-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Complete Kit More info on Comp Cams K12-600-8 Fits Applications

$1,105.99 Ships 02/21/12

249-12-601-8

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and headers, rough idle Camshaft only More info on Comp Cams 12-601-8 Fits Applications

$289.99 Ships

249-CL12-601-8

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and headers, rough idle Cam & Lifter Kit More info on Comp Cams CL12-601-8 Fits Applications

$732.99 Ships 02/21/12

249-K12-601-8

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and headers, rough idle Complete Kit More info on Comp Cams K12-601-8 Fits Applications

$1,122.99 Ships 02/21/12

249-54-601-11

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and headers, rough idle Camshaft only More info on Comp Cams 54-601-11 Fits Applications

$401.99 Ships 02/21/12

249-12-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Camshaft Only More info on Comp Cams 12-602-8 Fits Applications

$289.99 Ships

249-CL12-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Cam & Lifter Kit More info on Comp Cams CL12-602-8 Fits Applications

$732.99 Ships 02/21/12

249-K12-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Complete Kit More info on Comp Cams K12-602-8 Fits Applications

$1,122.99 Ships 02/21/12

249-08-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Camshaft Only More info on Comp Cams 08-600-8 Fits Applications

$289.99 Ships

249-CL08-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Cam & Lifter Kit More info on Comp Cams CL08-600-8 Fits Applications

$487.99 Ships 02/21/12

249-K08-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Complete Kit More info on Comp Cams K08-600-8 Fits Applications

$914.99 Ships 02/21/12

249-08-601-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Camshaft Only More info on Comp Cams 08-601-8 Fits Applications

$289.99 Ships

249-CL08-601-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Cam & Lifter Kit More info on Comp Cams CL08-601-8 Fits Applications

$487.99 Ships 02/21/12

249-K08-601-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Complete Kit More info on Comp Cams K08-601-8 Fits Applications

$957.99 Ships 02/21/12

249-08-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears, and headers, very rough idle Camshaft only More info on Comp Cams 08-602-8 Fits Applications

$291.99 Ships

249-01-600-8

COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts Advertised Duration 283/303 Lift .547/.530 Chevy Big Block More info on Comp Cams 01-600-8 Fits Applications

$299.99 Ships 02/21/12

249-11-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Camshaft Only More info on Comp Cams 11-600-8 Fits Applications

$291.99 Ships

249-CL11-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Cam & Lifter Kit More info on Comp Cams CL11-600-8 Fits Applications

$727.99 Ships 02/21/12

249-K11-600-8

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy idle Complete Kit More info on Comp Cams K11-600-8 Fits Applications

$1,009.99 Ships 02/21/12

249-01-601-8

Hydraulic Roller Street/Strip Camshaft Advertised Duration 291/311 Lift .557/.542 Chevy Big Block RPM Range: 2,200-5,900 More info on Comp Cams 01-601-8 Fits Applications

$317.99 Ships 02/21/12

249-11-601-8

COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts needs 9:1 CR, 2400+ stall, intake, gears, and headers, rough idle Camshaft Only More info on Comp Cams 11-601-8 Fits Applications

$291.99 Ships

249-CL11-601-8

HYDRAULIC ROLLER - High performance street/ strip, needs 9:1 CR, 2400+ stall, intake, gears, and headers, rough idle Cam & Lifter Kit More info on Comp Cams CL11-601-8 Fits Applications

$724.99 Ships

249-K11-601-8

HYDRAULIC ROLLER - High performance street/ strip, needs 9:1 CR, 2400+ stall, intake, gears, and headers, rough idle Complete Kit More info on Comp Cams K11-601-8 Fits Applications

$1,009.99 Ships 02/21/12

249-01-602-8

COMP Cams Thumpr Retrofit Hydraulic Roller Camshafts Advertised Duration 299/319 Lift .569/.554 Chevy Big Block RPM Range: 2,500-6,200 More info on Comp Cams 01-602-8 Fits Applications

$299.99 Ships 02/21/12

249-11-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Camshaft Only More info on Comp Cams 11-602-8 Fits Applications

$291.99 Ships

249-CL11-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Cam & Lifter Kit More info on Comp Cams CL11-602-8 Fits Applications

$727.99 Ships 02/21/12

249-K11-602-8

HYDRAULIC ROLLER - Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Complete Kit More info on Comp Cams K11-602-8 Fits Applications

$1,073.99 Ships

249-20-600-9

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle Camshaft Only More info on Comp Cams 20-600-9 Fits Applications

$321.99 Ships in 24hrs

249-CL20-600-9

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle Cam & Lifter Kit More info on Comp Cams CL20-600-9 Fits Applications

$836.99 Ships 02/21/12

249-K20-600-9

HYDRAULIC ROLLER - High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle Complete Kit More info on Comp Cams K20-600-9 Fits Applications

$1,193.99 Ships 02/21/12

249-20-601-9

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and heades, rough idle Camshaft Only More info on Comp Cams 20-601-9 Fits Applications

$333.99 Ships 02/21/12

249-CL20-601-9

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and heades, rough idle Cam & Lifter Kit More info on Comp Cams CL20-601-9 Fits Applications

$836.99 Ships 02/21/12

249-K20-601-9

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears, and heades, rough idle Complete Kit More info on Comp Cams K20-601-9 Fits Applications

$1,193.99 Ships 02/21/12

249-20-603-9

HYDRAULIC ROLLER - Street/strip needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Camshaft only More info on Comp Cams 20-603-9 Fits Applications

$334.99 Ships 02/21/12

249-CL20-603-9

HYDRAULIC ROLLER - Street/strip needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Cam & Lifter Kit More info on Comp Cams CL20-603-9 Fits Applications

$836.99 Ships 02/21/12

249-K20-603-9

HYDRAULIC ROLLER - Street/strip needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle Complete Kit More info on Comp Cams K20-603-9 Fits Applications

$1,193.99 Ships 02/21/12

249-23-600-9

Comp Cams Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .513"/.498" Duration 283/303 RPM Range 1900-5600 More info on Comp Cams 23-600-9 Fits Applications

$409.99 Ships in 24hrs

249-23-601-9

Big Mutha' Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .522"/.508" Duration 291/311 RPM Range 2200-5900 More info on Comp Cams 23-601-9 Fits Applications

$336.99 Ships 02/21/12

249-24-600-9

Comp Cams Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .536"/.504" Duration 283/303 RPM Range 1900-5600 More info on Comp Cams 24-600-9 Fits Applications

$409.99 Ships in 24hrs

249-24-601-9

Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .546"/.515" Duration 291/311 RPM Range 2200-5900 More info on Comp Cams 24-601-9 Fits Applications

$409.99 Ships in 24hrs

249-31-600-8

Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .531"/.515" Duration 283/303 RPM Range 1900-5600 More info on Comp Cams 31-600-8 Fits Applications

$297.99 Ships 02/21/12

249-31-601-8

Mutha' Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .540"/.526" Duration 291/311 RPM Range 2200-5900 More info on Comp Cams 31-601-8 Fits Applications

$297.99 Ships 02/21/12

249-31-602-8

Big Mutha' Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .552"/.537" Duration 299/319 RPM Range 2500-6200 More info on Comp Cams 31-602-8 Fits Applications

$297.99 Ships 02/21/12

249-32-600-8

Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .557"/.539" Duration 283/303 RPM Range 1900-5600 More info on Comp Cams 32-600-8 Fits Applications

$297.99 Ships in 24hrs

249-32-601-8

Mutha' Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .567"/.551" Duration 291/311 RPM Range 2200-5900 More info on Comp Cams 32-601-8 Fits Applications

$297.99 Ships in 24hrs

249-32-602-8

Big Mutha' Thumpr™ Retro-Fit Hydraulic Roller Camshaft Lift .579"/.563" Duration 299/319 RPM Range 2500-6200 More info on Comp Cams 32-602-8 Fits Applications

$297.99 Ships 02/21/12

249-33-600-9

Comp Cams Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .557"/.539" Duration 283/303 RPM Range 1900-5600 More info on Comp Cams 33-600-9 Fits Applications

$409.99 Ships in 24hrs

249-33-601-9

Comp Cams Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .567"/.551" Duration 291/311 RPM Range 2200-5900 More info on Comp Cams 33-601-9 Fits Applications

$336.99 Ships in 24hrs

249-33-602-9

Comp Cams Big Mutha' Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .579"/.563" Duration 299/319 RPM Range 2500-6200 More info on Comp Cams 33-602-9 Fits Applications

$336.99 Ships in 24hrs

249-34-600-9

Comp Cams Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .557"/.539" Duration 283/303 RPM Range 1900-5600 More info on Comp Cams 34-600-9 Fits Applications

$336.99 Ships 02/21/12

249-34-601-9

Comp Cams Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .567"/.561" Duration 291/311 RPM Range 2200-5900 More info on Comp Cams 34-601-9 Fits Applications

$339.99 Ships 02/21/12

249-34-602-9

Comp Cams Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift .579"/.563" Duration 299/319 RPM Range 2500/6200 More info on Comp Cams 34-602-9 Fits Applications

$336.99 Ships 02/21/12

249-35-602-8

HYDRAULIC ROLLER - High performance street/strip, needs 9.5:1 compression ratio, 2800+ stall converter intake, gears and headers, very rough idle Camshaft Only More info on Comp Cams 35-602-8 Fits Applications

$289.99 Ships

249-CL35-602-8

HYDRAULIC ROLLER - High performance street/strip, needs 9.5:1 compression ratio, 2800+ stall converter intake, gears and headers, very rough idle Cam & Lifeter Kit More info on Comp Cams CL35-602-8 Fits Applications

$797.99 Ships 02/21/12

249-K35-602-8

HYDRAULIC ROLLER - High performance street/strip, needs 9.5:1 compression ratio, 2800+ stall converter intake, gears and headers, very rough idle Complete Kit More info on Comp Cams K35-602-8 Fits Applications

$1,127.99 Ships 02/21/12

249-35-601-8

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 compression ratio, 2500+ stall converter intake, gears, and headers, rough idle Camshaft Only More info on Comp Cams 35-601-8 Fits Applications

$289.99 Ships

249-CL35-601-8

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 compression ratio, 2500+ stall converter intake, gears, and headers, rough idle Cam & Lifter Kit More info on Comp Cams CL35-601-8 Fits Applications

$797.99 Ships 02/21/12

249-K35-601-8

HYDRAULIC ROLLER - High performance street/strip, needs 9:1 compression ratio, 2500+ stall converter intake, gears, and headers, rough idle Complete Kit More info on Comp Cams K35-601-8 Fits Applications

$1,129.99 Ships 02/21/12

249-35-600-8

HYDRAULIC ROLLER - High performance street stock converter okay, best with 2000+ converter and gears, choppy idle Camshaft Only More info on Comp Cams 35-600-8 Fits Applications

$289.99 Ships

249-CL35-600-8

HYDRAULIC ROLLER - High performance street stock converter okay, best with 2000+ converter and gears, choppy idle Cam & Lifter Kit More info on Comp Cams CL35-600-8 Fits Applications

$797.99 Ships 02/21/12

249-K35-600-8

HYDRAULIC ROLLER - High performance street stock converter okay, best with 2000+ converter and gears, choppy idle Complete Kit More info on Comp Cams K35-600-8 Fits Applications

$1,125.99 Ships 02/21/12

249-127010

HYDRAULIC ROLLER - Great idle with excellent power. Good mid-range torque & power gains above 4500 RPM. Compatible with stock valve springs, converter & gears. More info on Comp Cams 127010 Fits Applications

$704.99 Ships 02/21/12

249-127020

HYDRAULIC ROLLER - Very rough idle, biggest cam for stock heads. Great power above 4900 RPM. Compatible with stock valve springs, converter & gears. More info on Comp Cams 127020 Fits Applications

$704.99 Ships 02/21/12

249-127030

HYDRAULIC ROLLER - Extremely rough idle, needs stroker motor and/or ported heads. Major HP gains to 6800 RPM. Best with 373+ gears & 2500 stall. Compatible with stock valve springs. More info on Comp Cams 127030 Fits Applications

$704.99 Ships 02/21/12

249-42-600-9

Comp Cams Thumpr™ Hydraulic Roller Camshaft Lift .531"/.515" Duration 283/303 RPM Range 1700-5500 More info on Comp Cams 42-600-9 Fits Applications

$409.99 Ships 02/21/12