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
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street
Race
Truck
More...
Chassis and Suspension Brakes Steering Air and Fuel Delivery Engine Cooling and Heating Safety Wheel and Tire
More...
Select Your Vehicle
All Makes
Year
Make
Model
What Do You Race?
Select Your Race Car
Select Your Vehicle
The Toolbox
Top
Details
Reviews
Q&A
Videos & Articles
Add to Cart
$357.99
$344.99
COMP Cams 11-720-9 Drag Race Solid Roller Camshaft, Chevy B/B
COMP Cams 11-720-9 Drag Race Solid Roller Camshaft, Chevy B/B

COMP Cams 11-720-9 Drag Race Solid Roller Camshaft, Chevy B/B

396 Chevy Big Block V8, 402 Chevy Big Block V8, 427 Chevy Big Block V8, 454 Chevy Big Block V8

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select a vehicle to verify fitment.
Select Vehicle
COMP Cams 11-720-9 Drag Race Solid Roller Camshaft, Chevy B/B
COMP Cams 11-720-9 Drag Race Solid Roller Camshaft, Chevy B/B
X
Zoomed In Image
We estimate this item will ship on or before February 7th.
Part # 282117209
$344.99
$357.99
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Click to Login
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:
Solid Roller Tappet
RPM Range:
5500 to 8500
Intake Duration:
321
Exhaust Duration:
322
Lobe Separation:
110 °
Grind Number:
CB 321C-R10
Intake Duration (.050" Lift):
286
Exhaust Duration (.050" Lift):
286
Intake Valve Lift w/ Rocker Arm Ratio:
0.748"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.714"
Intake Valve Lash:
0.028
Exhaust Valve Lash:
0.03
MFG. Part #:
11-720-9
GTIN Code:
036584670056
External Ignition Box Required:
No
Valve Springs Required:
Yes
Sold in Quantity:
Each

Info

COMP Cams Drag Race 321CR-10 Roller Camshaft for Big Block Chevy.

Chevrolet 396-454 c.i. 8 CYL. 1965-1996. Mechanical Roller-Super Comp. Best in light car, 5500+ stall, 454 or larger. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

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 & Articles
  • Camshaft Timing Tips
    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.
  • Camshaft Specifications and Terminology
    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!
  • Pick The Right Camshaft For Your Project
    Picking a proper camshaft for your project can rapidly deteriorate into chaos. So many possibilities. Want a little advice? Click here!
  • Keep Your Sprint Car Engine Running at Peak Performance
    One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Choosing a Camshaft
    The art of selecting a camshaft that performs right in your street rod may become easier with experience, but the choice is less of a guessing game once you have a few of the basics, found in this latest article from Speedway.
  • Installing a Gear Drive on a Chevy 454
    Speedway Motors Street Tech Kevin recently installed a Gear Drive on the 454 destined for his '54 Belair.
  • Setting Valve Lash on Hydraulic Lifters
    To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.

You May Also Like

Suggestions
Error
X
Note
X
Ok