Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$296.99
COMP Cams 31-602-8 Thumpr Hyd. Roller Camshaft, Ford S/B
COMP Cams 31-602-8 Thumpr Hyd. Roller Camshaft, Ford S/B

COMP Cams 31-602-8 Thumpr Hyd. Roller Camshaft, Ford S/B

289 Ford Small Block V8, 302 Ford Small Block V8, Hydraulic Roller Tappet Camshaft Type

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
COMP Cams 31-602-8 Thumpr Hyd. Roller Camshaft, Ford S/B
COMP Cams 31-602-8 Thumpr Hyd. Roller Camshaft, Ford S/B
Zoomed In Image
We estimate this item will ship on or before October 10th.
Part # 282316028
$296.99
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Camshaft Type:
Hydraulic Roller Tappet
RPM Range:
2500 to 6200
Intake Duration:
299
Exhaust Duration:
319
Lobe Separation:
107 °
Grind Number:
299THR7
Intake Duration @ .050" Lift:
243
Exhaust Duration @ .050" Lift:
257
Intake Valve Lift w/ Rocker Arm Ratio:
0.552"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.537"
MFG. Part #:
31-602-8
GTIN Code:
036584212065
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Sold in Quantity:
Each

Info

COMP Cams Big Mutha' Thumpr 299THR7 Retro-Fit Hydraulic Roller Camshaft for Small Block Ford (289-302 Firing Order).

Ford 221-302 c.i. 8 cyl. 1963-1995 (Includes 221, 260, 289 & 302). Big Mutha' Thumpr-Street/ strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. Thumpr Retro-Fit Hydraulic Roller Camshaft. 3 grinds to fit all of your performance needs. Unique design. Maximizes sound and mid to high RPM power. Ensures safe piston-to-valve clearance. Proven to generate 25+ RWHP gains. Does not compromise durability.

  • Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods
  • Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
  • Best with aftermarket converters & more rear gear

Application

1963-85 Ford 289-302
Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

More Like This

Reviews

Q & A

Videos
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!

You May Also Like

Suggestions
Error
Note
Ok