fits make: Chevy. year: 1960.

( Brand: Crower ), ( Manufacturer Part Number: 73689-8 ), ( Part Type: Roller Block ), ( UPC: 012958046344 )
The 73689-8 Crower Centerline Roller Rockers for Big Block Chevy is a high-performance upgrade designed specifically for enthusiasts seeking improved engine efficiency and power. This set of roller rockers features a 1.8:1 ratio, which is suitable for engines running at high RPMs, ensuring optimal valve-lift performance.
The rollers are made of precision-machined, hardened steel, ensuring durability and longevity under extreme conditions. The roller design reduces friction between the rocker arms and the valve stems, which can lead to reduced wear and tear on both components. This results in a smoother, more efficient operation of the valve train, ultimately leading to increased performance and reliability.
The rollers are designed with a backset of 0.129 inches, providing a more optimal valve angle for improved combustion efficiency and power output. The Crower Centerline Roller Rockers are also compatible with a wide range of Big Block Chevy engines, making them a versatile upgrade option for many enthusiasts.
Installing the Crower Centerline Roller Rockers is relatively straightforward, thanks to the included detailed installation instructions. The set includes all necessary hardware, including bolts and locknuts, to ensure a secure and proper installation. With the Crower Centerline Roller Rockers, you can upgrade your Big Block Chevy engine with confidence, knowing that you're getting a high-quality, performance-enhancing component.
Pros of buying a 73689-8 Crower Centerline Roller Rockers for Big Block Chevy:1. Improved engine performance: Roller rockers reduce friction between the valve stem and the cam lobe, which can lead to increased horsepower and torque.
2. Durability: Roller rockers are typically more durable than flat tappet rockers, as they do not wear out as quickly and are less prone to breakage.
3. Quiet operation: Roller rockers are known for their quieter operation compared to flat tappet rockers, which can reduce engine noise and vibration.
4. Easy installation: The Crower Centerline Roller Rockers are designed to be a direct replacement for stock rockers, making installation relatively straightforward.
Cons of buying a 73689-8 Crower Centerline Roller Rockers for Big Block Chevy:1. Cost: Roller rockers can be more expensive than flat tappet rockers, so this upgrade may not be within everyone's budget.
2. Compatibility: It is important to ensure that the roller rockers are compatible with your specific engine and camshaft before purchasing, as incompatible parts can lead to engine damage.
3. Maintenance: While roller rockers are more durable than flat tappet rockers, they still require regular maintenance to ensure proper operation.
Conclusion:If you are looking for improved engine performance, increased durability, and a quieter operation for your Big Block Chevy, the 73689-8 Crower Centerline Roller Rockers could be a worthwhile investment. However, it is important to consider the cost and ensure compatibility with your engine and camshaft before making a purchase.
Recommendation:I would recommend the 73689-8 Crower Centerline Roller Rockers for Big Block Chevy to anyone looking for a performance upgrade, as long as they are willing to invest in the cost and take the necessary steps to ensure compatibility with their engine and camshaft.