Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Technical Articles for Part Number HRS-122441-12
Howards Cams Street Force 4 Hydraulic Flat Tappet Camshafts 122441-12
Part Number: HRS-122441-12
Howards Cams Street Force 4 Hydraulic Flat Tappet Camshafts
Camshaft, Street Force 4, Hydraulic Flat Tappet, Advertised Duration 289/295, Lift .553/.533, Chevy, Big Block, Each
See More Specifications
|
Check the Fit
Estimated Ship Date: Dec 29, 2026 Would you rather pick it up?
Need It Sooner? We recommend these similar substitute parts:
Overview
Brand:
Manufacturer's Part Number:
122441-12
Part Type:
Product Line:
Summit Racing Part Number:
HRS-122441-12
UPC:
840793106714
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Lopey idle. Moderate performance and bracket racing.
Basic Operating RPM Range:
2,400-6,500
Intake Duration at 050 inch Lift:
235
Exhaust Duration at 050 inch Lift:
241
Duration at 050 inch Lift:
235 int./241 exh.
Advertised Intake Duration:
289
Advertised Exhaust Duration:
295
Advertised Duration:
289 int./295 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.553 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.533 in.
Valve Lift with Factory Rocker Arm Ratio:
0.553 int./0.533 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Howards Cams Street Force 4 Hydraulic Flat Tappet Camshafts
Howards Cams Street Force 4 hydraulic flat tappet camshafts are engineered for the street performance enthusiast, but also work well for mild bracket racing. The specially designed grinds were created to provide a rough idle and strong throttle response. This series of camshafts require the use of an improved intake manifold, 4-barrel carburetor, headers, free-flow exhaust, and 2,800 to 3,500 stall rpm torque converter. Upgrading your ignition system and a utilizing a lower gear ratio will provide additional performance. Street Force 4 camshafts also feature 112 degree lobe separations to help maintain vacuum. They're available for a variety of year/make and engine applications. Achieve optimum street performance with Howards Cams.
Applications
Loading...
Loading...
Questions & Answers
Ask a Question
What type of question would you like to submit?
I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
a question about this Product. Product Related Question
Loading...
Reviews Write a Review
Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Email this page
