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Comp Cams 11-602-4 BBC Big Block Chevy Big Mutha Thumprâ„¢ Cam Thumpr Very Rough

Comp Cams

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$348.18
SKU:
COM-116024
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Product Overview

Comp Cams 11-602-4 BBC Big Block Chevy Big Mutha Thumpr™ Cam Thumpr Very Rough

 
HYDRAULIC-Thumpr™ Street/Strip needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. 
 
DETAILS:
 
RPM OPERATING RANGE; 2300 to 6200
 
CAM GRIND# 295TH7
 
DURATION: 
Advertised
IN. 295 EX.312
 
@ .50"
IN. 243
EX. 257
 
Valve Lift:
IN. .522
EX. 507
 
Lobe Sep. Angle:
107°
 
LIFTERS:
2110
3110
 
Gear Drive:
4110
 
 
 
ROCKER ARMS:
1411-16*
1620-16*
 
*Mark V & Mark VI heads must use kit with/studs
50 state legal for 1993 legal for 1993 & earlier BB Chevrolet V8, 396-454ci C.A.R.B. E.O. # D-279-4
 
*Mark V & Mark VI heads must use kit with/studs
50 state legal for 1993 legal for 1993 & earlier BB Chevrolet V8, 396-454ci C.A.R.B. E.O. # D-279-4
 
 
PUSHRODS:
7154-16*
7954-16*
 
*Truck engines have .400" taller block.
*Truck engines have .400" taller block.
 
 
VALVE SPRINGS:
924-16*
26120-16
 
*Requires machining on cylinder heads
 
RETAINERS:
741-16
795-16
 
VALVE LOCKS:
612-16*
616-16*
 
*Most aluminum heads come standard with 11/32" valve stems. Use appropriate valve locks, retainers, and seals. 
*Most aluminum heads come standard with 11/32" valve stems. Use appropriate valve locks, retainers, and seals.
 
 
VALVE SEALS:
505-16*
*Requires machining on cylinder heads

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