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COMP Cams Thumpr Hydraulic Roller Camshafts 54-600-11

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$373.97

Camshaft, Hydraulic Roller Tappet, Advertised Duration 275/295, Lift .553/.536, Chevy, Small Block, LS

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Estimated Ship Date: 8/25/2014 (if ordered today) Would you rather pick it up? Select Location

Brand: COMP Cams
Manufacturer's Part Number: 54-600-11
Part Type: Camshafts
Summit Racing Part Number: CCA-54-600-11

UPC: 036584195160
Cam Style: Hydraulic roller tappet
Basic Operating RPM Range: 2,000-6,400
Intake Duration at 050 inch Lift: 219
Exhaust Duration at 050 inch Lift: 233
Duration at 050 inch Lift: 219 int./233 exh.
Advertised Intake Duration: 275
Advertised Exhaust Duration: 295
Advertised Duration: 275 int./295 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.553 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.536 in.
Valve Lift with Factory Rocker Arm Ratio: 0.553 int./0.536 exh.
Lobe Separation (degrees): 109
Camshaft Gear Attachment: 3-bolt
Computer-Controlled Compatible: Yes
Grind Number: 275THR9
Valve Springs Required: Yes
Quantity: Sold individually.
Notes: Cannot use stock springs. Stall converter 2000 and up is recommended. Custom computer tuning required.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

COMP Cams is bringing the musclecar sound back and it's nastier than ever! 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 tech line is, "What camshaft will give my car that mean-sounding idle?" In an ongoing quest to provide you with the performance and sound that you demand, COMP Cams' engineering team proudly introduces the Thumpr series cam and lifter kits. The Thumpr camshafts are a new series of hydraulic roller camshafts designed for use in engines that were originally equipped with flat tappet camshafts. The lobe profile and grind characteristics of these new Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize the rough-idling characteristics of the cams, giving you a seriously aggressive exhaust note without negatively impacting the power output or streetability of the engine. Thumpr camshafts are available in three different grind profiles; each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. These Thumpr series camshafts feature a cutting-edge hydraulic roller design that delivers a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance.

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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