COMP CAMS 4615S-4146R107 Solid Roller Camshaft Lift Rear 4615S/4146R107 .645 /.628 Pump
fits model: Sb. make: Chevy.
( Brand: Comp Cams ), ( Manufacturer Part Number: 4615S/4146R107 ), ( Type: Camshaft ), ( Country Of Origin: United States )
Review COMP CAMS 4615s/4146r107 Solid Roller Camshaft Chevy .645 Inch /.628 Lift Drilled Rear Pump fits SB
The Comp Cams 4615S/4146R107 solid roller camshaft is a high-performance upgrade for small-block Chevy engines seeking increased power and efficiency. This camshaft, specifically designed for use with rear-mounted water pumps, offers a reliable and durable solution for enthusiasts looking to maximize their engine's potential.
The 4615S camshaft features a 232/241 degree duration at 0.050 inches (dura-cam), providing a significant lift improvement over stock cams. With a lift of 0.628 inches at 0.050 inches, this solid roller camshaft delivers a noticeable increase in power throughout the RPM range. The solid roller design ensures consistent valvetrain operation, leading to improved engine response and overall performance.
The 4146R107 intake duration is precisely matched to the 4615S exhaust duration, ensuring proper synchronized valve operation. The intake valve opens earlier, allowing for more time for the intake charge to enter the cylinder, while the exhaust valve duration is optimized for efficient exhaust gas expulsion.
This camshaft utilizes Comp Cams' proprietary XE282 Hump and XE281 Lobe Separation Angle (LSA) profile. This profile optimizes valve overlap, improving engine breathing and combustion efficiency. The XE282 Hump also ensures a more aggressive valve opening and closing profile, which can lead to increased engine power.
The Comp Cams 4615S/4146R107 solid roller camshaft is made from high-quality materials, including a precision-machined billet steel base and hardened rollers. The camshaft is engineered to provide a long service life, even under high-performance conditions.
Installation of the Comp Cams 4615S/4146R107 solid roller camshaft requires a compatible hydraulic roller camshaft kit, which includes hydraulic lifters, pushrods, and other necessary components. It is essential to follow the installation instructions carefully and use the appropriate engine accessories, such as a camshaft position sensor and distributor, to ensure proper engine operation.
In summary, the Comp Cams 4615S/4146R107 solid roller camshaft is an excellent upgrade for small-block Chevy engines seeking increased power, efficiency, and reliability. With its optimized duration, lift, and LSA profile, this high-performance camshaft delivers improved engine response and overall performance.
The COMP Cams 4615S/4146R107 solid roller camshaft is a popular choice for performance upgrades in small-block Chevy engines. This camshaft offers a 0.645/0.628 lift profile, which is suitable for high-performance applications. Here are some pros and cons to help you make an informed decision about purchasing this camshaft:
Pros:1. Increased Horsepower: This camshaft is designed to provide more power and torque by optimizing the intake and exhaust valve timing and duration.
2. Improved Engine Response: The solid roller design provides better valve control, resulting in improved engine response and throttle sensitivity.
3. Durability: Solid roller camshafts are known for their durability and reliability, making them a popular choice for high-performance applications.
4. Customizable: COMP Cams offers various grinds to suit different engine configurations and performance goals.
Cons:1. Cost: Solid roller camshafts are more expensive than stock camshafts.
2. Installation Complexity: Installing a solid roller camshaft requires more time and expertise than a stock camshaft. It may also require additional modifications, such as adjusting the valve lash and timing.
3. Fuel Consumption: Increased engine performance comes with a cost, and fuel consumption may increase as a result.
In conclusion, the COMP Cams 4615S/4146R107 solid roller camshaft is an excellent choice for those seeking high-performance upgrades for their small-block Chevy engine. It offers increased horsepower, improved engine response, and durability. However, it comes with a higher cost and installation complexity, and fuel consumption may increase.
If you have the necessary expertise and resources to install and tune the camshaft, and if the increased performance and durability are worth the investment, then the COMP Cams 4615S/4146R107 solid roller camshaft is an excellent choice. Otherwise, it may be worth considering alternative performance upgrades that are less complex and costly.
Details:
Look at the pictures and you decide. Drilled and Tapped for Rear Pump. 645 /.628 Lift. I do not have the original box or cam card for this.
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specifications cashalif:
- for models: Sb
- for makes: Chevy
- brand: Comp Cams
- mpn: 4615s/4146r107
- type: Camshaft
- country of origin: United States
shipping cashalif:
- class: Standard, Expedited
- cost: $43.36
- transit: 3-6 Days
- type: Calculated
- carrier: UPS, FedEx, USPS
- service: UPS Ground, FedEx Ground / FedEx Home Delivery, USPS Priority Mail
offer cashalif:
- availability: In Stock
- started: March 22, 2026
- quantity: 1
- sold: 0
- best offers: True
- options: Ship-to-home
general cashalif:
- condition: Used
- Engines Engine Parts > Valvetrain Components > Camshafts
payments cashalif:
- other
- wallet: Paypal
- credit card: Mastercard
returns cashalif:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
seller cashalif:
- # reviews: 3881
- rating: 100.0%
- city: Bunnell, Florida
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