fits model: Sb.

( Brand: Comp Cams ), ( Manufacturer Part Number: 12-999-3 ), ( Type: Camshaft ), ( Manufacturer Warranty: Expired ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )
The Comp Cams 12-999-3 SB Chev 694/647 Lift Solid Roller Cam is a powerful performance upgrade for your Chevrolet engine. This camshaft, specifically designed for circle track applications, boasts a 694/647 lift height, providing a significant improvement in engine performance and power.
The solid roller design of the camshaft ensures smooth operation and longer cam life due to its reduced friction compared to traditional roller cams. The solid roller lifters also reduce valve train noise, providing a quieter operation.
The 1.6:1 ratio rocker arms are designed to work with this camshaft, ensuring proper valve actuation and maximum performance. The dual lobe design of the camshaft provides a precise and consistent lift profile, improving engine efficiency and power delivery.
This camshaft is also equipped with a 112-degree lobe separation angle, which provides a balanced intake and exhaust duration, allowing for optimal engine performance. The Comp Cams 12-999-3 SB Chev 694/647 Lift Solid Roller Cam is a high-quality performance upgrade that is sure to provide a noticeable increase in horsepower and torque for your Chevrolet engine.
Pros of buying Comp Cams 12-999-3 SB Chev 694/647 lift solid roller cam for circle track:1. Increased horsepower and torque: The cam's larger lift and duration can help improve engine performance, resulting in more power and acceleration.
2. Improved valve control: Comp Cams' solid roller camshafts provide precise valve timing and lift, which can improve combustion and engine efficiency.
3. Durability: The camshaft is made of high-quality materials, such as heat-treated steel, which can withstand the high-stress environment of circle track racing.
4. Wide range of applications: The Comp Cams 12-999-3 SB Chev cam is designed for small-block Chevy engines, making it a versatile option for a wide range of circle track applications.
Cons of buying Comp Cams 12-999-3 SB Chev 694/647 lift solid roller cam for circle track:1. High cost: Comp Cams camshafts are generally more expensive than other brands, which can be a disadvantage for budget-conscious racers.
2. Requires additional components: Installing a high-performance camshaft like the Comp Cams 12-999-3 SB Chev may require additional components, such as new valves, springs, and retainers, which can add to the overall cost.
3. May not be suitable for all engines: While the Comp Cams 12-999-3 SB Chev cam is designed for small-block Chevy engines, it may not be suitable for other engine types or specific applications.
Conclusion:The Comp Cams 12-999-3 SB Chev 694/647 lift solid roller cam is a high-performance option for circle track racing, offering increased horsepower and torque, improved valve control, and durability. However, its high cost and the potential need for additional components may be a disadvantage for some racers. Ultimately, the decision to purchase this camshaft should be based on the specific needs and budget of the racer.
Recommendation:If you are looking for a high-performance camshaft for circle track racing and have the budget for it, the Comp Cams 12-999-3 SB Chev 694/647 lift solid roller cam is a solid choice. However, if cost is a concern, you may want to consider other options or seek out used or reconditioned camshafts to save money. It's also important to ensure that the camshaft is compatible with your specific engine and racing application before making a purchase.
It has .695/.646 lift with 1.6/1.5 rocker ratios and 252/260 duration .050. Lobe separation is 106 with an install at 102 degrees. For sale is a very good Comp Cams SB Chevrolet 50mm journal solid roller Camshaft with LS firing order 18726543. It delivered excellent power in a 358 cubic inch engine.
Check the cam card or don't be afraid to message me on this. In very good condition. This came from a dirt circle track team and is regrind done by Comp Cams.