COMP CAMS PART #K12-602-4
BRAND NEW IN THE BOX COMP CAMS BIG MUTHA THUMPR HYDRAULIC FLAT TAPPET CAMSHAFT K-KIT FOR SMALL BLOCK CHEVY ENGINGES 262-400.
COMP Cams® Big Mutha Thumpr™ Hydraulic Flat Tappet Camshaft Kit
Let’s face it, few things serve to grab our attention at a car show or cruise night more than a car with a thumping, high performance idle. In fact, one of the most frequent questions fielded when customers call our CAM HELP® tech line is “what camshaft will give my car that mean-sounding idle?” In their ongoing quest to provide customers with the performance that they demand, the COMP Cams® engineering team proudly introduces the Thumpr™ series of camshafts.
The reason that the new Thumpr™ Camshafts have such an aggressive exhaust note is that the lobe profiles and grind characteristics chosen by the COMP Cams® engineers produce a combination of early exhaust valve opening, long exhaust duration and a generous amount of intake and exhaust overlap to maximize the rough-idling characteristics of the cams without negatively impacting the power output or streetability.
Thumpr™ Camshafts are available in three different grind profiles for each engine, all of which will produce a rough, racy exhaust note and impressive amounts of horsepower and torque at a specific rpm range.
CLICK HERE FOR AWESOME THUMPR SOUND CLIP!http://www.compcams.com/Base/MultiMedia/SoundBytes/Thumpr/Mutha_Thumpr.wma
Key Features:
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Hydraulic flat tappet designs for factory flat tappet equipped engines
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3 unique grinds for each engine to fit all cruising & street performance needs
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Long exhaust duration and other grind characteristics produce a powerful, hard-hitting exhaust note.
CAMSHAFT SPECIFICATIONS:THUMPR™ for Small Block Chevy 265-400
APPLICATION CAMSHAFTS
VALVE SETTING
RPM
OPERATING
RANGECAMSHAFT PART NUMBER
CAM GRIND NUMBER
DURATION
VALVE LIFT @ 1.5:1
LOBE SEP. ANGLE
ADV.
@ .050”
IN. EX. IN. EX. IN. EX. IN. EX. HYDRAULIC FLAT TAPPET: Street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers, very rough idle.
Hyd
Hyd
2500-6400
12-602-4
295THR7
299
319
243
257
.500
.486
107°
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633 Old Hwy 49 South
Richland, MS 39218
Phone: 601-932-3881
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