Description
Brand: COMP Cams
Manufacturer’s Part Number: 12-857-9
Part Type: Camshafts
Product Line: COMP Cams Oval Track Camshafts
Automotive Fittings Part Number: CCA-12-857-9
UPC: 036584015383
Cam Style: Solid roller, Retro-fit
Camshaft Use: Drag race
Camshaft Manufacturers Description: 355-377 late model with 4 BBL and big heads.
Basic Operating RPM Range: 3,500-7,500
Intake Duration at 050 inch Lift: 255
Exhaust Duration at 050 inch Lift: 259
Duration at 050 inch Lift: 255 int./259 exh.
Advertised Intake Duration: 283
Advertised Exhaust Duration: 287
Advertised Duration: 283 int./287 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.645 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.645 in.
Valve Lift with Factory Rocker Arm Ratio: 0.645 int./0.645 exh.
Lobe Separation (degrees): 106
Camshaft Gear Attachment: 3-bolt
Remanufactured: No
Computer-Controlled Compatible: No
Grind Number: CS 283TK-R6
Valve Springs Required: Yes
Quantity: Sold individually.
Description:
COMP Cams oval track camshafts are designed specifically for racing applications. They are available to complement a variety of engine configurations, track lengths, and conditions–simply order the model that fits the needs of your particular make and model. Before you start the next oval track race, install the winning camshaft edge from COMP Cams.
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