Chevy Rebuild Kits

Comp Cam 31-602-5 Mutha Thumpr Camshaft Kit with Performance Lifters, True Double Roller Timing, 6.876″ Push Rods – Lopey Idle Street Cam – FITS: 1969–1991 Ford 302 5.0L Engines

SKU: D4-EZ7U-EK4W
BRAND:
In stock

$540.00

Brand: REDLINE ENGINE SUPPLY
Condition: New
– THIS IS A COMPETITION CAM & ENGINETECH CAM KIT BUNDLE ASSEMBLED BY OUR EXPERT ENGINEERS TO CREATE THE HIGHEST QUALITY CAMSHAFT KIT AT AN AFFORDABLE PRICE. EVERY PART IN THIS KIT HAS A HIGH-PERFORMANCE SPEC RATING AND IS GUARANTEED TO BE OF THE HIGHEST OF QUALITY AND PERFORMANCE.
– TRUE 31-602-5 MUTHA’ THUMPR CAM SPECS – Hydraulic flat tappet cam with 287/304 advertised duration, 235/249 duration at .050, .500/.486 lift, and a tight 107-degree LSA. Delivers the aggressive Mutha’ Thumpr idle and strong mid-range torque from 2,200–6,100 RPM.
– ENGINETECH PERFORMANCE HYDRAULIC LIFTERS INCLUDED – Built for aggressive flat tappet profiles, these lifters provide reliable oil control, smooth operation, and stable valvetrain performance at higher RPM.
– TRUE DOUBLE ROLLER TIMING SET – Heavy-duty double roller chain improves cam timing accuracy, reduces stretch, increases durability, and ensures long-term performance stability compared to standard timing chains.
– INCLUDES 6.876″ PERFORMANCE PUSH RODS – Strong, precision-length 6.876-inch push rods designed for SBF hydraulic flat tappet builds. Helps maintain correct valvetrain geometry and withstand higher lift and aggressive ramp rates.

  • 2 years warranty
  • Delivery time: 1-2 business days
  • Free 90 days return

Description

This performance kit includes the Competition Cams 31-602-5 Mutha’ Thumpr hydraulic flat tappet camshaft, Enginetech hydraulic lifters, a true double roller timing set, and a set of 6.876-inch performance push rods. It is designed only for 1969–1991 flat tappet Ford 302 engines and does not fit Fox Body 5.0L roller-cam engines or factory roller blocks. The 31-602-5 camshaft features 287 and 304 degrees advertised duration, 235 and 249 degrees duration at .050, .500 and .486 lift, and a tight 107-degree lobe separation angle. These aggressive specifications create high valve overlap for the classic Mutha’ Thumpr lopey idle while improving cylinder scavenging and delivering strong mid-range torque.

With an operating range of 2,200 to 6,100 RPM, this camshaft delivers stronger mid-range acceleration, quicker throttle response, and a dramatic improvement in engine sound and personality. The included double roller timing set offers improved timing accuracy, reduced stretch, and increased durability compared to stock-style timing sets.

The 6.876-inch push rods are specifically matched for flat tappet 302 engines and help maintain correct valvetrain geometry under higher lift profiles. Enginetech hydraulic lifters provide smooth, stable operation and proper oil control with this aggressive camshaft profile.

This kit is a strong choice for 1969–1991 Ford 302 engines used in classic restorations, street rods, trucks, and any non-roller 302 build wanting more sound, more torque, and a reliable matched valvetrain upgrade. If you want a camshaft package that dramatically improves the sound and performance of a flat tappet 302, this Mutha’ Thumpr cam kit is one of the most effective upgrades available.

Manufacturer: COMP CAMS / ENGINETECH
Model: SBF THUMPR 235/249
Included components: 1-CAMSHAFT 16-LIFTERS 1-TIMING SET 16-PUSH RODS
Warranty: 2 YEAR MANUFACTURER WARRANTY

Additional information

Brand

REDLINE ENGINE SUPPLY

Condition

New

Manufacturer

COMP CAMS / ENGINETECH

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Comp Cam 31-602-5 Mutha Thumpr Camshaft Kit with Performance Lifters, True Double Roller Timing, 6.876" Push Rods - Lopey Idle Street Cam - FITS: 1969–1991 Ford 302 5.0L Engines
You're viewing: Comp Cam 31-602-5 Mutha Thumpr Camshaft Kit with Performance Lifters, True Double Roller Timing, 6.876″ Push Rods – Lopey Idle Street Cam – FITS: 1969–1991 Ford 302 5.0L Engines $540.00
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