fits model: 400. make: Pontiac.

( Manufacturer Part Number: 51-000-0 ), ( Type: Camshaft ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: Grind P-312-2-316-2r8 ), ( Material: Steel ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( Finish: Polished )
The Pontiac 51-000-0 400 Cam Lifters are an essential component of the Pontiac 400 engine's camshaft system. These lifters are designed to transmit the motion of the camshaft to the engine's valves, enabling the intake and exhaust cycles that are necessary for the engine to operate.
These cam lifters are made from high-quality materials that ensure durability and reliability. Each lifter features a hollow design with a bore diameter of approximately 0.84 inches and a total height of about 1.25 inches. The bore diameter is machined with a precision finish to ensure a snug fit with the camshaft and prevent any excess play.
The lifters are also designed with a roller tip that rides on the camshaft lobes. This roller tip is made from hardened steel and is precision machined to ensure a smooth and efficient transfer of motion from the camshaft to the lifter. The roller tip is also lubricated by engine oil to minimize friction and wear.
The Pontiac 51-000-0 400 Cam Lifters are designed to work in pairs, with one lifter for each intake and exhaust valve. Each lifter is identified by a marking on the body, making it easy to install them in the correct location on the engine.
These cam lifters are suitable for use in Pontiac 400 engines that were produced between 1964 and 1965. They are also compatible with aftermarket and performance camshafts that have the same specifications as the original equipment camshafts.
In summary, the Pontiac 51-000-0 400 Cam Lifters are high-quality components that play a critical role in the operation of the Pontiac 400 engine. Their hollow design, precision-machined bore diameter, and hardened steel roller tip ensure a smooth and efficient transfer of motion from the camshaft to the engine's valves. These lifters are easy to install and are suitable for use in both stock and high-performance applications.
Buying Pontiac 51-000-0 400 cam lifters involves weighing the potential benefits against the possible drawbacks. Here are some pros and cons to consider:
Pros:1. Improved Engine Performance: Replacing worn-out cam lifters can lead to improved engine performance, including increased horsepower and torque, smoother idling, and better fuel economy.
2. Preventing Damage: Worn-out cam lifters can cause engine damage, such as valve damage or piston damage. Replacing them can prevent costly repairs down the line.
3. Cost-Effective: In some cases, replacing cam lifters can be a more cost-effective solution compared to other engine repairs or rebuilds.
4. DIY Friendly: Installing cam lifters can be a relatively simple job for those with intermediate to advanced mechanical skills, which can save on labor costs.
Cons:1. Cost: The cost of purchasing new cam lifters can be significant, especially for high-performance engines like the Pontiac 400.
2. Time-Consuming: Installing cam lifters can be a time-consuming process, especially for those without experience.
3. Risk of Damage: During the cam lifter installation process, there is a risk of damaging other engine components, such as the crankshaft or pistons.
4. Potential for OEM vs. Aftermarket Debate: Deciding between OEM (original equipment manufacturer) and aftermarket cam lifters can be a complex decision, with potential trade-offs in terms of cost, performance, and reliability.
Conclusion:In conclusion, purchasing Pontiac 51-000-0 400 cam lifters involves balancing the potential benefits, such as improved engine performance and preventative maintenance, against the possible drawbacks, such as cost and installation complexity. Ultimately, the decision to buy new cam lifters depends on the individual's priorities, budget, and mechanical skills.
Recommendation:If you have the mechanical skills and confidence to install the cam lifters yourself, purchasing aftermarket cam lifters can be a cost-effective solution. However, if you lack experience or prefer OEM parts, it may be worth considering the labor and parts costs associated with having a professional mechanic perform the installation. In all cases, thorough research and careful consideration are essential when making this purchase.
OEM cam shaft and lifters from Pontiac 400 engine removed 1979 Trans Am.