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Technical Articles for Part Number CCA-54-702-11
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COMP Cams Thumpr NSR Hydraulic Roller Camshafts
Camshaft, Thumpr NSR, Hydraulic Roller, 280/299 Advertised Duration, 0.541/0.539 Lift, GM LS, Each
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Estimated Ship Date from Texas: Today Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
54-702-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-54-702-11
Item Number:
5279342
UPC:
00036584386421
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
HYDRAULIC ROLLER - Larger version of No Springs Required (NSR) Thumpr™ design for 5.3 & 6.0L truck applications. Ideal for more highly modified truck w/ headers, converter, gear, etc.
Basic Operating RPM Range:
1,800-6,500
Intake Duration at 050 inch Lift:
226
Exhaust Duration at 050 inch Lift:
237
Duration at 050 inch Lift:
226 int./237 exh.
Advertised Intake Duration:
280
Advertised Exhaust Duration:
299
Advertised Duration:
280 int./299 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.541 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.539 in.
Valve Lift with Factory Rocker Arm Ratio:
0.541 int./0.539 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
No
Quantity:
Sold individually.
Notes:
Designed for GM truck applications.
COMP Cams Thumpr NSR Hydraulic Roller Camshafts
COMP Cams Thumpr NSR hydraulic roller camshafts offer "no springs required" designs for your truck, plus the awesome distinct sound of Thumpr cams. COMP Cams delivers several choices of their NSR hydraulic roller camshafts for a variety of applications—from performance to highly modified. Select the model designed for your vehicle and engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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