
( Brand: Comp Cams ), ( Manufacturer Part Number: 68942113 ), ( Part Type: Camshaft ), ( California Prop 65 Warning: Cancer And Reproductive Harm P65warnings.ca.gov )
The 689-421-13 Camshaft from Comp Cams is a high-performance upgrade for GM LS engines equipped with VVT-AFM and 266piih applications. This camshaft is specifically designed to enhance the power and efficiency of your LS engine, providing a significant boost in horsepower and torque.
This camshaft features a 266 degrees of duration at 0.050", providing ample valve opening time for improved combustion and power. The 114 degrees of lobe separation angle is engineered to promote optimal engine breathing, ensuring smooth and responsive power delivery throughout the RPM range.
The 689-421-13 Camshaft from Comp Cams is also equipped with a 0.570" lift at the intake valve and a 0.505" lift at the exhaust valve, providing optimal engine breathing and scavenging. The camshaft's unique profile is designed to work seamlessly with LS engines equipped with VVT-AFM, ensuring optimal valve timing and engine performance.
The 689-421-13 Camshaft is made from high-quality, heat-treated steel for superior durability and longevity. It is also precision-machined to ensure precise fitment and operation, ensuring a smooth and reliable installation.
Overall, the 689-421-13 Camshaft from Comp Cams is a top-of-the-line performance upgrade for GM LS engines equipped with VVT-AFM and 266piih applications. It provides significant power and torque gains, enhanced engine breathing, and improved combustion for a truly unparalleled driving experience.
Pros of buying a Comp Cams camshaft (689-421-13) for GM LS 358 VVT-AFM engine:1. Improved engine performance: The camshaft is designed to increase horsepower and torque, providing a better driving experience.
2. Enhanced valve control: The VVT-AFM technology allows for variable valve timing and lift, improving engine efficiency and reducing emissions.
3. Durable construction: Comp Cams camshafts are known for their high-quality materials and precise manufacturing processes, ensuring long-lasting performance.
Cons of buying a Comp Cams camshaft (689-421-13) for GM LS 358 VVT-AFM engine:1. Higher cost: Comp Cams camshafts are typically more expensive than stock or aftermarket alternatives, which may be a barrier for some buyers.
2. Requires tuning: Installing a high-performance camshaft may require additional tuning to ensure optimal engine performance, which can be time-consuming and expensive.
3. Potential compatibility issues: It's important to ensure that the camshaft is compatible with your specific engine and vehicle, as using an incorrect camshaft can cause damage to the engine.
Conclusion:The Comp Cams camshaft (689-421-13) for GM LS 358 VVT-AFM engine offers significant performance benefits, including improved horsepower and torque, enhanced valve control, and durable construction. However, these benefits come with a higher cost and potential compatibility issues. If you are looking to significantly improve your engine's performance, this camshaft may be a worthwhile investment. However, it's important to ensure that you have the necessary knowledge and resources to install and tune the camshaft properly.
Recommendation:Before purchasing the Comp Cams camshaft (689-421-13) for your GM LS 358 VVT-AFM engine, make sure to research its compatibility with your specific engine and vehicle. It's also recommended to consult with a professional mechanic or tuner to ensure that the camshaft is installed and tuned correctly to avoid any potential damage to your engine. Additionally, consider the cost of the camshaft and the additional tuning expenses before making a decision.
Grind number 274piihr14 intake duration at 050 inch lift 216 valve with factory rocker arm ratio 0.
Valve lift with factory rocker arm ratio. 5 Chevy, small block l99, LNG, l94, each ex.
Lobe separation degrees 114 notes single-bolt Camshaft for gm ls gen iv engines with active fuel management and variable valve timing. Fitment information may not be available for all products and those without will have a Compatibility link.
Quantity sold individually. Actual item may vary.
Buyer pays return shipping. Exhaust duration at 050 inch lift 228 valve with factory rocker arm ratio 0.
Best choice for heavy vehicles and stock gearing. Valve springs required yes this product ships directly from the manufacturer. Advertised duration 278 int.
Camshaft, hydraulic roller, advertised duration, lift.
Computer-controlled Compatible yes duration at 050 inch lift 216 int.
Advertised exhaust duration 290 intake 278 basic operating rpm range 1,600-6,500 cam hydraulic roller tappet Camshaft gear attachment 1-bolt manufacturers excellent responsiveness and mid-range power with across the board gains.