Comp Cams Mutha' Thumpr 4/7 Swap 235/249 Hydraulic Roller Cam For Chevrolet 348-409 - 4700-1
High performance street/strip, needs 9:1 compression, 2500+ stall. Intake, gears, and headers. Rough idle.
47S 291MTHR-8
Lethal Performance is proud to offer the entire line of Comp Cams products!
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
With COMP Cams®, there is no compromise - you're in first place.
