![]() Thumpr Series cam and lifter kits 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. Each one will produce a rough, racy exhaust note and impressive amounts of horsepower and torque within a different rpm range. 350 SBC Thumpr Cam Idle and Rev 4,800 RPM Closed Exhaust 555 views 1 year ago chevy 305 with a comp thumper cam 1957 Chevrolet Bel-Air For Sale Cruisin Classics 5.7K views SOLD: 1957. Before and after cam swap 350 cammed350 compcams k10 1977 fyp foryou foryoupage. They are available in three different grind profiles. Thumpr Series camshafts is a line of cutting-edge hydraulic roller camshafts for engines originally equipped with flat tappet cams. Discover videos related to comp cams thumper 350 on TikTok. They're designed 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. Cam and Lifter Kit Camshaft Only GK-Kit K-Kit Style: 2,200-6,100 RPM Range 2,200-6,100 RPM Range 2,500-6,400 RPM Range 2,000-5,800 RPM Range Fit type: Universal Fit Worlds top manufacturer of performance products Part number: 126014 Package Weight: 9. COMP Cams Big Mutha Thumpr Hydraulic Roller Camshaft Complete Kit Lift. The lobe profile and grind characteristics of these Thumpr camshafts use a combination of an early exhaust valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap. Thumpr Camshafts are available in three different grind profiles. With the smaller, smoother-idle, hydraulic roller cam, our 350. Specs for Big Mutha Thumper: Comp Cams 249-12-602-4 Exhaust Valve Lift (in.)0.486Intake Valve Lift (in.)0.500Int. 350 Chevy Small Block V8 COMP Cams Thumpr Camshafts parts in-stock with same-day shipping. If you want the big cam sound, pick a cam with a tight LSA but a lot less duration to keep the RPM HP peak below 5800 and overlap at or below 60. ![]() They are designed for use in engines that were originally equipped with flat tappet camshafts. As a daily driver this cam would suck big time. ![]() In an ongoing quest to provide you with the performance and sound that you demand, COMP Cams' engineering team proudly introduces the Thumpr Series hydraulic roller cam and lifter kits. ![]()
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