1974 GMC C25/C2500 Suburban Distributors

Carquest Premium distributors are built to meet or exceed the original equipment (OE) specifications for each application. Our distributors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each distributor is supplied with the cap, rotor and any seals needed for installation. Carquest Premium distributors are 100% new and undergo extensive validation testing to ensure long-lasting ignition performance and reliability.

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• 100% new unit with no core charges
• Precision machined shafts result in high speed accuracy and help prevent bearing failures
• Every distributor is tested to ensure reliable and long-lasting performance
• O-rings or gaskets included where applicable
• Precision Engineered ignition modules and plugs ensure proper performance plus precise connection.
• Precision machined and ground shafts assure high speed accuracy and prevent bearing failures.
• Original Equipment Equivalent high voltage ignition coils.
• 100% New Components and fasteners eliminate premature failures.

The Pro-Billet Ready-to-Run distributor is the perfect upgrade for outdated points distributors or bulky HEI. Simply install the distributor in the engine, connect three wires, the coil and fire it up! A maintenance-free magnetic pick-up accurately triggers the module. The increased output of the amplifier easily outperforms stock ignitions and will smooth out the engine’s idle, improve starting and provide a much higher RPM range. The Ready-to-Run features MSD’s adjustable mechanical advance which allows you to custom tailor an ignition curve to match your engine’s needs. There is also a vacuum advance canister to help improve economy. For positive street performance, the Ready-to-Run is the best choice.

Product Features:

• Simple and clean three wire installation
• Supplied w/An HEI Style Distributor Cap And Rotor
• Accepts Cap-A-Dapts
• Does not require an MSD Ignition Control
• CARB E.O. Approved
• Now includes built-in Rev Limiter
• O-ring seals can be installed for oil press. control (Mods only)
• Special oil tract improves lubrication to the dist./cam gear

The E3’s DiamondFIRE Racing HEI Distributor is engineered to withstand the harsh motorsports environment regardless of what you race. The HEI distributor features a CNC machined 6061-T6 aluminum housing that has O-ring grooves, a necessity when using a fully machined race engine block. Other features that separate E3.1414 from the competition include:

Product Features:

• Special hot forging process – eliminates weak spots and porosity
• Coil in-cap design
• High performance 6 Amp dwell limit module
• GM 4-pin configuration
• High performance wound coil
• HEI Coil-in-Cap is available separately
• Precision stamped & blanked cam plate & weights
• Proprietary nitrocarburized surface treatment
• Nylon rub pads
• Centerless ground shaft rides on an upper sealed roller bearing
• Fully adjustable mechanical advance
• TIG welded throughout
• Hardened iron drive gear
• Comes complete with: cap, rotor and a wire retainer
• Crosses to MSD 8362

Chevy produced a number of inline-6 engines over the years, some dinky powerless wonders and others that can be made to put out some pretty impressive torque and power numbers. For those that dare to be different or want to stick with original power plants, MSD has a distributor for you. While you may not see many 194 Cu. In. engines being built, the 250 and 292 are showing up more and more. This distributor fits them all, including the 230. Like all MSD Pro-Billet distributor, this housing is crafted from billet aluminum and MSD bolts in a non-magnetic pickup to fire the mandatory ignition control. There’s a vacuum advance to assist with economy and the adjustable mechanical advance makes it easy to tune in a specific curve. Pro-Billet inline-6, 194, 230, 250, 292 – PN 8515 note: must be used with an MSD 6, 7 or 8-series ignition.

Product Features:

• Designed For Street/Performance Use w/Mech or Vacuum Advance
• Will not fit 235 and 261 engines
• Must Be Used w/An MSD Ignition Control
• Supplied w/Socket Style Distributor Cap And Rotor
• O-ring seals can be installed for oil press. control (Mods only)
• Special oil tract improves lubrication to the dist./cam gear
• Nylon pads ensure smooth operation of the advance weights
• Advance weight pins are staked and tig welded to the plate
• Mech. advance assem. can be locked out for crank trigger systems
• Advance plate and weights are fine blanked from chrome moly steel
• QPQ coated for friction reduction
• QPQ coated polished steel shaft; guided by sealed ball bearings

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