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Chevy 262-400ci Small Block 1958-98
Comp Cams CL12-602-4 Big Mutha' Thumpr Hydraulic Flat Tappet Cam and Lifter Kit:
- Very rough, lopey idle
- Long exhaust duration produces a powerful hard-hitting exhaust note
- Excellent horsepower gains and broad torque curve
- Grind Number: 295TH7
- Cam Type: Hydraulic Flat Tappet
- Lifter Style: Hydraulic Flat Tappet
- Advertised Intake Duration: 295
- Advertised Exhaust Duration: 313
- Intake Duration at .050 in. Lift: 243
- Exhaust Duration at .050 in. Lift: 257
- Intake Valve Lift: .500 in.
- Exhaust Valve Lift: .486 in.
- Lobe Separation: 107
- Camshaft Gear Attachment: 3-Bolt
- Requires:
- 9.5:1 compression
- 2800 or up stall stall converter
- Aftermarket intake
- Lower differential gear ratio
- Headers
FAQ
What lift is a Mutha Thumpr cam?
- The Comp Cams CL12-602-4 Mutha Thumpr cam has a lift of 0.500/0.486 inches.
- This lift profile enhances valve movement for increased performance.
What is a thumper cam?
- A thumper cam, like the Big Mutha' Thumpr 243/257 hydraulic flat cam/lifter kit, features an aggressive idle.
- It provides a distinct, lopey sound, emphasizing performance characteristics.
What are the specs on a Mutha Thumpr cam?
- The Comp Cams CL12-602-4 offers a duration of 243/257 at .050" lift with a 0.500-0.486 lift range.
- Designed for improved low-end torque and high-end horsepower.
Do cam kits come with lifters?
- Yes, the Big Mutha' Thumpr 243/257 hydraulic flat cam/lifter kit (CL12-602-4) includes lifters for a comprehensive installation.
Specifications:
What distributor does this cam require
What class/stage is this cam And will this a 5.7 350 Chevy c1500
Will this cam fit a stock 72 Chevy 4 bolt main and what do you recommend
What size retainer plate do I need for a vortec 350 with this cam
Can I use 1.6 rockers with this cam..and what push rods are recommended
Do you have to change valve springs to run this cam on stick heads thanks
Can you use stock springs and push rods in a 85 sbc 305
Can you use factory rocker arms for this cam?
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Electrical Cords
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