COMP 35-602-8 BIG MUTHA THUMPR 243/257 Retro Fit Cam Camshaft w/HP Link Bar Lifters | 9 Keyway Billet Steel Timing | LIFT .552"/.538" | FITS Ford SBF 289 302 351 351W Windsor | Very Rough Idle

Features

• LIFETIME WARRANTY IF INSTALLED BY A CERTIFIED MACHINIST
• All-In-One Big Mutha Thumpr Performance Package Includes the Competition Cams 35-602-8 Big Mutha Thumpr hydraulic roller camshaft, Redline Performance Retro-Fit link-bar lifters, and a Billet Double Roller Timing Set for ultimate precision and durability.
• Correct Cam Specs: 243 intake / 257 exhaust @ .050", .533"/.519" lift, 107 LSA, 2,600 6,200 RPM powerband for aggressive street and strip performance.
• 351W & 5.0 H.O. Firing Order: 1-3-7-2-6-5-4-8 (counter-clockwise rotation) compatible with Windsor engines for smooth operation.
• Extreme Thumpr Sound & Torque Surge The tight 107 LSA and extended duration create a brutal, race-inspired lope that demands attention and delivers real pull from midrange through top end.
• Redline Performance Retro-Fit Lifters Precision link-bar design drops in easily no machining, spider trays, or dogbones required for fast roller conversion on 289/302/351W blocks.
• Turn Every Start-Up into a Show That violent idle and instant throttle response will make your Mustang, Bronco, F-100 or hot rod sound like a race car that owns the street.
• Why You Should Buy It This kit is more than a camshaft its a complete personality upgrade for your engine. Sound, torque, and timing precision engineered for builders who expect more than average.

Description

Ready to make your small-block Ford sound like a monster and pull like a race car? The Competition Cams 35-602-8 Big Mutha’ Thumpr Hydraulic Roller Camshaft Kit with Redline Performance Retro-Fit Lifters and a Billet Double Roller Timing Set is built to do exactly that. The Big Mutha’ Thumpr is the most aggressive profile in COMP’s Thumpr series — designed for builders who want maximum attitude without sacrificing reliability. With 243°/257° @.050", .533"/.519" lift, and a tight 107° LSA, it produces a furious, choppy idle and massive mid-range torque from 2,600 to 6,200 RPM. You don’t just hear this cam — you feel it in every gear. The Billet Double Roller Timing Set keeps that power precisely timed and locked in, so you never lose performance to stretch or slip. Meanwhile, the Redline Retro-Fit Lifters simplify roller conversion for 289/302/351W blocks Together, this combo delivers the sound and strength that define true muscle. Every start-up sounds like a race engine, and every throttle stab feels like a launch. It’s the perfect setup for drivers who want their car to sound wild, pull hard, and stay reliable mile after mile. When you buy this kit, you’re not just buying parts — you’re buying sound, attitude, and precision. If you crave a build that demands attention and delivers real performance, the Big Mutha’ Thumpr kit is the one.

Brand: REDLINE ENGINE SUPPLY

Material: Billet Steel

Included Components: Guaranteed to fit and meet the specifications of the OE parts being replaced

Unit Count: 1.0 Count

Manufacturer: COMP CAM \ REDLINE USA

Brand Name: REDLINE ENGINE SUPPLY

Included Components: Guaranteed to fit and meet the specifications of the OE parts being replaced

Manufacturer: COMP CAM \ REDLINE USA

UPC: 647379089719

Automotive Fit Type: Universal Fit

Set Name: Big Mutha Thumpr

Manufacturer Part Number: 35-602-8 RFF302-16 5323

Model Number: 35-602-8

Unit Count: 1.0 Count

Item Weight: 12 Pounds

Manufacturer Warranty Description: LIFETIME - IF INSTALLED BY A CERTIFIED MACHINIST

Material Type: Billet Steel