fits make: Chevy.

( Brand: Msd ), ( Manufacturer Part Number: 85551K ), ( Part Type: Distributor ), ( Color: Red ), ( UPC: 090127866405 )
The MSD 85551K Pro-Billet Distributor is a high-performance distributor specifically designed for Chevy V8 engines. This distributor is a significant upgrade from the original factory unit, delivering improved ignition system performance for enhanced engine response and power.
The Pro-Billet Distributor boasts a robust billet aluminum housing, which not only adds a touch of style to your engine bay but also ensures excellent durability and rigidity. The housing is CNC machined from a solid block of aluminum to ensure the tightest tolerances and consistent manufacturing.
The distributor features a unique Advanced Dyna-II Ignition System that utilizes multiple spark discharges to create a broad, uniform spark that improves combustion efficiency. This means more power and torque at the wheels for your Chevy V8. The ignition system is adjustable, allowing you to fine-tune ignition timing for optimal engine performance.
The MSD 85551K Pro-Billet Distributor comes with a set of high-performance Vincent Advanced V-Force II ignition coils that provide the necessary power to the spark plugs. The coils feature dual-spark technology and offer increased spark energy for easy starting and improved combustion.
The distributor also includes an integrated rotor with a Blue Vaseline-filled quartz glass insulator that keeps the rotor rigid and allows for smooth cranking and higher RPM operation. The rotor design ensures accurate ignition timings for optimal engine performance.
The MSD 85551K Pro-Billet Distributor is compatible with most Chevy small-block V8 engines, and its single-point external advance provides easy adjustment for break-in, tuning, or for use in different driving conditions. The distributor is also capable of driving multiple spark plugs if your engine setup requires it.
Installation is straightforward, and the distributor comes with a detailed instructions manual to guide you through the process. Overall, the MSD 85551K Pro-Billet Distributor is a top-performing, high-quality ignition system component that delivers reliable and consistent performance for your Chevy V8 engine. With its durability, robustness, and easy-to-adjust timing advance, this distributor is an excellent choice for both street and race applications.
a. High Performing: The MSD 85551K distributor is designed to provide excellent performance by using a billet aluminum housing, which helps in reducing weight and dissipating heat efficiently. Its advanced design ensures efficient ignition system and consistent spark creation.
b. Adjustable Timing: The adjustable timing feature allows fine-tuning for various engine conditions and optimizes the performance of your Chevy V8 engine.
c. Longer Life: This distributor features a durability advantage, as its high-performance internal components, such as a heavier rotor and longer, more robust cap screws, help to extend its overall life span.
d. Easy Installation: Installing the MSD 85551K distributor is relatively straightforward for most Mechanically inclined users, as it is a direct bolt-on replacement part for many Chevy V8 engines.
2. Cons:a. Slightly Higher Cost: Compared to a stock distributor, the MSD 85551K distributor is a more expensive option due to its enhanced features and durability.
b. Limited Applicability: The MSD 85551K distributor has a limited applicability to certain Chevy V8 engines, and you should check your engine's compatibility before purchasing to ensure the best fit.
c. Requires some Know-How: While the installation process is generally simple, some upgrading tasks might require a high level of mechanical knowledge and experience to execute successfully.
3. Conclusion:The MSD 85551K Chevy V8 Pro-Billet distributor offers several advantages, including high performance, adjustable timing, extended life, and relatively easier installation. However, it comes at the cost of a slightly higher price and a limited applicability to certain Chevy V8 engines. If you're looking for significant improvements in your engine's ignition system performance and durability, the MSD 85551K distributor will be a valuable addition. Make sure to verify your engine compatibility and assess your mechanical expertise before making the purchase.
4. Recommendation:If you're an experienced DIY mechanic with a compatible Chevy V8 engine and are seeking to upgrade the ignition system for enhanced performance and durability, the MSD 85551K Chevy V8 Pro-Billet distributor is a solid choice. On the other hand, if you lack the mechanical expertise and/or resources for the installation process, it may be more prudent to pursue a less complex option. In any event, be sure to confirm compatibility and weigh the pros and cons carefully before making the investment.
Nylon pads ensure smooth operation of the advance weights. Polished steel shaft is QPQ coated and guided by a sealed ball bearing extra long sauntered bushing. MSD 85551K Chevy V8 Pro-Billet Distributor Bundle: 649.95: This is our most popular performance distributor. Contains a Pro-Billet Distributor, Ultra 6AL ignition Box, and Blaster 2 Ignition Coil.;CNC machined billet aluminum housing base; Will not accept vacuum advance canister; Must be used with an MSD Control; Supplied HEI distributor cap rotor accepts Cap-A-Adapts ; O-ring seals can added to modified blocks improve oil pressure control; Special tract improves lubrication the cam gear; Nylon pads ensure smooth.
Maintenance-free magnetic pickup and precision rector create stable trigger signals throughout the rpm range. Advance weight pins are staked and tog welded to the plate. Contains a Pro-Billet Distributor, Ultra 6AL ignition Box, and Blaster 2 Ignition Coil.: This is our most popular performance distributor. Mechanical advance assembly can be locked out for crank trigger systems.
Buyer pays return shipping. Advance plate and weights are fine blanked from chrome Molly steel QPQ coated for friction reduction. Must be used with an MSD 6, 7 or 8-series ignition. Easy-to-adjust mechanical advance with supplied springs and stop bushings.