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1985 GMC Ignitions & Electrical

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Summit Racing™ Mini High-Torque Starters

You can get up to 50 percent more starting power when you pick Summit Racing™ high-torque mini starters. They're 40 percent lighter, as well as 1/3 smaller. That latter characteristic translates into increased clearance, but both factors can be equally important in a race car. So can features such as full ball-bearing construction, which allows these starters to work great while lasting a long time.

4.49 out of 5 stars ( 705 )

$159.99

$189.99

On Sale

MSD 8.5mm Super Conductor Spark Plug Wire Sets

MSD 8.5mm Super Conductor spark plug wire sets feature a special helically wound core that has just 40-50 ohms of resistance per foot—but with an RFI suppression equal to a 1,500 ohm wire. In fact, each foot of finished wire includes 40 ft. of tightly wound copper for superior conductivity. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference "choke." This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. A tough, 8.5mm synthetic/silicone jacket over an extra-heavy glass braid and dielectric insulator keeps the current guided to the plugs. Underneath the high-temperature boots, dual crimp stainless steel terminals feature snap-locks to ensure a secure fit. Each set comes with clip-on cylinder markers for easy identification. MSD's 8.5mm Super Conductor wire sets are available in custom or universal-fit applications, assembled or not, with a variety of terminal and boot end options.

4.65 out of 5 stars ( 1994 )

$204.95


$108.85

$215.95

Powermaster PowerMax Starters

With their gear-reduction drives, heavy-duty Powermaster PowerMax starters really crank out the power--180 lb.-ft. of torque. So, they can handle engines with moderate compression ratios. If your stock starter clears your oil pan, the Powermaster PowerMax starters will, too. Some will also clear kicked-out pans. Powermaster PowerMax starters can be mounted in multiple orientations to fit your needs. Starter dyno reports are included.

4.57 out of 5 stars ( 1162 )

$155.99

$243.99

Powermaster Street Alternators

Powermaster street alternators feature all of the quality construction and dependability the company is famous for. The "electrical generators" are available in a variety of amperages and styles, allowing you to choose the best model for your specific ride and the accessories you run. So whether you need an alternator for your truck, hot rod, musclecar, sport compact, or audio competition vehicle, Powermaster gives you the power you need to get it started and keep it going.

4.63 out of 5 stars ( 1821 )

$134.99

$243.99

Summit Racing™ Alternators

Whether you're looking to add amperage to your electrical system, or style to your engine compartment, we've got a Summit Racing™ alternator to help you accomplish your mission. Depend on Summit Racing™ to get the power you need and the space you crave.

4.55 out of 5 stars ( 921 )

$139.99

$194.99

Powermaster Mastertorque Starters

With their gear-reduction drives, heavy-duty PowerMaster Mastertorque starters really crank out the power--180 lb.-ft. of torque. So they can handle engines with compression ratios as high as 14.0:1. If your stock starter clears your oil pan, they will, too. Some will also clear kicked-out pans. A selection of Mastertorque starters can be mounted in multiple orientations, and some will work inverted with the solenoid down. They feature a black wrinkle finish and select models are available in a chrome plated finish.

4.57 out of 5 stars ( 627 )

$188.99

$211.99

On Sale

ACCEL Performance Replacement Distributors

ACCEL Performance replacement distributors are perfect for your daily driver or street machine. They're built with all-new components and high performance ACCEL electronics. Each model's design features the materials and accessories that make for an easy installation while providing the fit, form, and function you need. Order the ACCEL Performance replacement distributor designed for your engine when you need a quality substitute or want better performance.

4.34 out of 5 stars ( 154 )

$128.95


$116.05

Summit Racing™ Protorque Starters

Summit Racing™ Protorque Starters are 100 percent new! Our lightweight Nippondenso-type starters offer a 4.0:1 gear-reduction ratio and a whopping 1.9 HP. That's 222 ft.-lbs of racecar cranking power. If that's not enough cranking power to suit you, there are even more powerful 3.1 hp monsters, which are a pound lighter! They have a 4.44:1 reduction ratio and churn out an awesome 342 ft.-lbs. of torque. Both of our Summit Racing™ powerhouses are suitable for engines up to 502 c.i.d., and compression ratios of up to 18.0:1. GM versions are adjustable for five mounting positions; Ford types, for 18. And, to prevent corrosion and electrical shorts, both starters wear a gold dichromate finish.

4.35 out of 5 stars ( 605 )

$218.99

$239.99

Powermaster OEM-Style High-Torque Replacement Starters

Powermaster OEM-style high-torque replacement starters look like your OE starter, but pack a hidden surprise of high-torque cranking power! How do they do it? Easy--they combine an electric motor that is much stronger than a stock starter, high temp solenoid, and direct drive for serious torque. Hardware is provided for some applications, and some models also come available in a chrome plated finish.

4.43 out of 5 stars ( 557 )

$157.99

$238.99

BluePrint Engines Starters

BluePrint engine starters feature billet aluminum mounting blocks and their "clockable" models can be rotated or turned for special clearance needs. BluePrint uses high-quality internals for long-life and durability. BluePrint engine starters are trusted by engine builders worldwide!

4.68 out of 5 stars ( 34 )

$159.99

$189.99

Powermaster XS Torque Starters

Powermaster's highly efficient XS Torque starters feature extra-powerful motors that churn out up to 200 lbs.-ft. of torque. Coupled with their 4.4:1 gear-reduction ratio, that equals reliable cranking power for engines, up to a whopping 18.0:1 compression ratio. These starters come with a billet adapter/mounting block for durability. They'll also clear your oil pan if the OE starter did. Some models are available in a chrome plated finish. Starter dyno test results are included. Order the replacement designed for your vehicle application.

4.57 out of 5 stars ( 910 )

$224.99

$227.99

OER OE-Style Horn Assemblies

A faulty car horn can actually be a safety hazard, leaving you unable to convey an audio signal to other drivers, pedestrians, or animals. These OE-style horn assemblies from OER are reproductions of your original honker, crafted to exact factory specs to install and perform just like new. Each replacement horn set includes mounting brackets—and emits a clear, crisp warning sound.

4.55 out of 5 stars ( 66 )

$174.99

Proform High-Torque Starters

Proform high-torque starters are 100 percent new, not rebuilt. They feature an offset design that results in more clearance between the oil pan and the starter. The powerful units are offered in a variety of styles, finishes, and other options for both manual and automatic transmission applications. These replacements are available for countless vehicles from the 1950s and up.

3.81 out of 5 stars ( 122 )

$133.99

$212.99

Summit Racing™ Chrome Alternators

A great way to unclutter your engine compartment is to bolt on one of our Summit Racing™ chrome one-wire alternators. Thanks to their internal, self-energizing voltage regulator, that one wire is all you see--well, that, and their shiny chrome plated case. What you won't see is that the alternators are brand new units (not remanufactured) and a fan.and pulley are included.

4.53 out of 5 stars ( 246 )

$134.99

$184.99

Powermaster Smooth Look Alternators

Powermaster smooth look alternators feature unique styling, with all sharp lines and edges blended for a truly smooth look. These alternators are available in a polished, brushed/satin, black powdercoated, or a chrome plated finish. They come with an exclusive tear drop design, detailed with features that match the case.

4.6 out of 5 stars ( 160 )

$163.99

$228.99

Top Street Performance Alternators

Whether it is for their great looks or their reliable high-amperage output, Top Street Performance alternators are great additions to your engine. TSP's alternators produce amperage outputs significantly above stock and are perfect for vehicles with a lot of accessories and equipment. These internally regulated units are available in serpentine or V-belt pulley styles with black or chrome finishes to complement your engine compartment.

4.41 out of 5 stars ( 29 )

$159.12

$234.58

Powermaster PowerMax Plus Starters

Powermaster PowerMax Plus starters are rated with high cranking torque and feature an offset gear reduction for increased performance. Their mounting blocks are made from durable billet aluminum and can be rotated in four positions to fit multiple locations. PowerMax Plus starters are available in either a natural or chrome finish and contain a tested dyno report in every box!

4.36 out of 5 stars ( 206 )

$209.99

Proform High-Compression Racing Starters

Are you building a high-compression, high-horsepower engine? Then you're going to need one of these Proform high-compression racing starters. They're 100 percent new, not rebuilt, and are built from scratch with all-new components. Their torque rating is a healthy 4.41:1 gear reduction, capable of cranking engines up to a whopping 14:1 compression ratio. The Proform high-compression racing starters feature an offset design that results in more clearance between the oil pan and the starter. They're available in models for thousands of applications, from 1955 and up.

3.95 out of 5 stars ( 55 )

$143.99

$148.99

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators

A Tuff Stuff Performance high-amp output factory cast-plus alternator is just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff products are hand-built with the best bearings, diodes, and copper windings available; and the cast-plus finish is applied in the company's Cleveland, Ohio factories. This leaves a natural cast look but offers extreme durability from pitting. The alternators are available in a variety of amperages, case and pulley styles for fitment on thousands of specific vehicle applications.

4.54 out of 5 stars ( 735 )

$115.99

$156.99

On Sale

MSD HEI Coils

MSD HEI coils increase spark energy when used with MSD HEI HEAT modules. Now you can replace your stock coil with these high-energy unitized coils for HEI distributors. They have low-inductance, high-temperature windings which charge the coil faster to give you increased spark energy at higher rpm. The premium epoxy filled construction is designed to withstand harsh race applications, as well as the wear and tear that daily usage dishes out, and still deliver more spark energy to the spark plugs.

4.67 out of 5 stars ( 36 )

$125.95


$113.35

XS Power AGM Batteries

XS Power AGM batteries are some of the lightest racing batteries on the market. Independent test results have proven that they outperform other battery models that outweigh these power providers by up to 20 lbs. Cutting-edge lead acid battery technology produces more energy in a smaller space because each cell is compressed before case insertion, resulting in efficient power-producing packages that are completely sealed with no need to ever add water. This design is ideal for the abuse of racing, making these the batteries of choice for demanding racers and Monster Truck drivers who need top performance and reliability. When you are pushing to power the impossible, you need the non-stop capabilities of the XS Power AGM batteries best suited for your application. Product features include: * Designed to be an inch shorter than what the competition offers for fitting in places where space is at a premium * Deep-cycling ability and ultra-low internal resistance results in high cranking amps and excellent vibration resistance * Variable position mounting (except upside-down) thanks to the no-spill design * Offered in 6 V, 12 V, 14 V, and 16 V models

4.64 out of 5 stars ( 283 )

$229.99

On Sale

ACCEL Extreme 9000 Ceramic Spark Plug Wire Sets

ACCEL Extreme 9000 ceramic wires are the cure for burnt spark plug boots. These wires provide excellent energy delivery while providing the highest level of RFI/EMI suppression. They're ideal for custom engines, boats, and RVs—plus great trackside accessories when you need to make up a replacement wire. ACCEL Extreme 9000 ceramic spark plug wire sets are available straight or in right-angle configurations. Order the set recommended for your vehicle and engine application. More product features include: * Finished with stainless steel spark plug terminals and ceramic spark plug boots * Each wire features ultra-high temperature double silicone wire rated at 600 degrees F * Ferro-Spiral core wire developed for performance use * Capable of withstanding up to 2,000 degrees F

4.44 out of 5 stars ( 474 )

$194.95

$210.95


$162.72

$184.45

Summit Racing™ Ceramic Ignition Wire Sets

If you're running headers with close tolerances or have an engine bay with little room, Summit Racing™ ceramic ignition wire sets are the cure for burnt and melting boots. Their ceramic coating acts as a heat mirror, reflecting infrared energy and heat away from the plug boot—and it's engineered to resist flaking and peeling. The 8mm spiral core silicone wires deliver maximum energy to the spark plugs with built-in RFI suppression for your street-driven vehicle. These affordably priced wire sets are true performance upgrade replacements for OE types. They're available (assembled or non-assembled) with different terminal and boot ends for fitment on a range of vehicle applications.

4.4 out of 5 stars ( 92 )

$103.99

$122.99

E3 DiamondFIRE Heat-Sleeved Racing Ignition Wires

E3 DiamondFIRE heat-sleeved racing ignition wires boast a proprietary design that will help put you in victory lane. Featuring angled boots and full heat sleeving, these wires are engineered to work in concert with E3's patented DiamondFIRE spark plugs for maximum spark and more power. Order the wires recommended for your vehicle and engine application. Features include: * Class F40 spiral conductor * Rated at 40 ohms per foot * Impregnated with Ferrite, an iron alloy that improves magnetism * 8.5mm 100 percent silicone outer jacket encases a 100 percent silicone inner jacket with stainless steel locking terminals * Unique E3 design: Rock-solid, braided Aramid base core, and Carblex outer core—which make up part of the DiamondFIRE Tri-Core; nickel copper alloy conductors for exceptional spark energy transfer

4.14 out of 5 stars ( 14 )

$144.99

$149.99