1978 GMC P25 Performance Ignition Products
Keep Your 1978 GMC P25 in Top Shape with Quality Performance Ignition Products
Whether you’re repairing or upgrading your Performance Ignition Product, using high-quality parts is key to keeping your 1978 GMC P25 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including and . Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Performance Ignition Products from Trusted Brands
Looking for a reliable Performance Ignition Product? We’ve got you covered with options from brands you know and trust like Mallory and Accel. For example, Mallory Performance Ignition Products start at just $95.99 with an average 4.9 star rating. Accel offer similar pricing and quality, backed by strong customer feedback. With over 12 reviews and a solid 5 star average, you can shop with confidence knowing other GMC P25 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1978 GMC P25 Performance Ignition Product at Advance Auto Parts is around $120.18, with a range that starts at $34.49 and goes up to $204.99. With 5 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Distributor Wiring Harness, Promaster Classic Series; Ignition Coil, and Mod HEI Dust Cover, V8 & Odd Fire V6 start at just $34.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Ignition Product, don’t forget to check out other key components like Performance Fuel Systems and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1978 GMC P25 in peak condition, inside and out.
Essential 1978 GMC P25 Performance Ignition Products
Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)
from
$204.99
Universal street and strip. For street-driven vehicles with breaker point ignition or OE electronic ignition. Delivers optimum performance when used with these Mallory ignition products: UNILITE (R) distributor with a HYFIRE (R) capacitive discharge ignition, magnetic breaker less distributor with a HYFIRE (R) capacitive discharge ignition, or dual point distributor. Effective to approximately 6500 RPM when used with a point type distributor (depending on engine combination). Effective to approximately 8000 RPM when used with a Mallory HYFIRE electronic ignition control (depending on engine combination).
Product Features:
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Product Features:
- Glass Filled Polyester Case
- Longer Spark Duration
- Increased Performance
- No Energy Loss Due To Arcing
- Includes Brass Contact Terminal
Accel – GM Hei Supercoil Red/White (Part No.140005)
from
$126.99
Engineered for higher energy output resulting in quicker starting, improved idle quality, crisper throttle response and more high RPM power. Compatible with both original HEI ignition systems and later model computer controlled HEI systems. No need to remove or re-time distributor. Complete with simplified ground strap, mounting screws, silicone coil gasket and carbon contact brush / spring.
Product Features:
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Product Features:
- 10-15% More Energy
- Direct Plug In Replacement Direct OE Fit
- Advanced Bobbin Technology
- Highly Specialized Silicone Magnetic Steel Cores
- Similar to Standard Motor Products SMP Dr-32
- Long Life And Great Looks
MSD Ignition – Mod HEI Dust Cover, V8 & Odd Fire V6 (Part No.8401)
from
$70.99
Stock style replacement modified HEI coil dust cover. Used on 8 cylinder vehicles only.
Product Features:
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Product Features:
- Externally mounted coil
- Increases reliability
- Increase performance
- High quality plastic
- Resist spark loss
- Use brass conductors
- Low resistance connections
- No modifications
Mallory – Distributor Wiring Harness (Part No.29349)
Mallory – Unilite Ignition Module (Part No.605)
from
$95.99
Mallory’s UNILITE (R), and magnetic breaker less ignition modules are self contained module assemblies which have no moving parts to wear out. Using Mallory’s time tested breaker less ignition circuit, combined with modern surface mount thermal-clad construction, these ignition modules can drive both OEM and high performance ignition coils. For best results always use a Mallory PROMASTER coil or a Mallory chrome electronic ignition coil. These are also an excellent choice for triggering one of the Mallory HyFire series of electronic ignition controls. Hookup is as easy as a three wire connection.
Product Features:
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Product Features:
- Service Part
- No Moving Parts To Wear Out
- Self Contained Unit
- Can Drive OEM
- Can Drive High Performance Ignition Coils
Popular 1978 GMC P25 Performance Ignition Products Categories
Most Popular Performance Coils for 1978 GMC P25s
Enhance your 1978 GMC P25 with one of the 3 Performance Coils we have in stock, starting at just $70.99.
Accel – GM Hei Supercoil Red/White (Part No.140005)
from
$126.99
Engineered for higher energy output resulting in quicker starting, improved idle quality, crisper throttle response and more high RPM power. Compatible with both original HEI ignition systems and later model computer controlled HEI systems. No need to remove or re-time distributor. Complete with simplified ground strap, mounting screws, silicone coil gasket and carbon contact brush / spring.
Product Features:
See More
Product Features:
- 10-15% More Energy
- Direct Plug In Replacement Direct OE Fit
- Advanced Bobbin Technology
- Highly Specialized Silicone Magnetic Steel Cores
- Similar to Standard Motor Products SMP Dr-32
- Long Life And Great Looks
Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)
from
$204.99
Universal street and strip. For street-driven vehicles with breaker point ignition or OE electronic ignition. Delivers optimum performance when used with these Mallory ignition products: UNILITE (R) distributor with a HYFIRE (R) capacitive discharge ignition, magnetic breaker less distributor with a HYFIRE (R) capacitive discharge ignition, or dual point distributor. Effective to approximately 6500 RPM when used with a point type distributor (depending on engine combination). Effective to approximately 8000 RPM when used with a Mallory HYFIRE electronic ignition control (depending on engine combination).
Product Features:
See More
Product Features:
- Glass Filled Polyester Case
- Longer Spark Duration
- Increased Performance
- No Energy Loss Due To Arcing
- Includes Brass Contact Terminal
MSD Ignition – Mod HEI Dust Cover, V8 & Odd Fire V6 (Part No.8401)
from
$70.99
Stock style replacement modified HEI coil dust cover. Used on 8 cylinder vehicles only.
Product Features:
See More
Product Features:
- Externally mounted coil
- Increases reliability
- Increase performance
- High quality plastic
- Resist spark loss
- Use brass conductors
- Low resistance connections
- No modifications
Best-Selling 1978 GMC P25 Performance Ignition Parts
Upgrade your P25 with one of our 2 best-selling Performance Ignition Parts, earning an average 5 stars rating across 3 reviews.
Mallory – Unilite Ignition Module (Part No.605)
from
$95.99
Mallory’s UNILITE (R), and magnetic breaker less ignition modules are self contained module assemblies which have no moving parts to wear out. Using Mallory’s time tested breaker less ignition circuit, combined with modern surface mount thermal-clad construction, these ignition modules can drive both OEM and high performance ignition coils. For best results always use a Mallory PROMASTER coil or a Mallory chrome electronic ignition coil. These are also an excellent choice for triggering one of the Mallory HyFire series of electronic ignition controls. Hookup is as easy as a three wire connection.
Product Features:
See More
Product Features:
- Service Part
- No Moving Parts To Wear Out
- Self Contained Unit
- Can Drive OEM
- Can Drive High Performance Ignition Coils
Mallory – Distributor Wiring Harness (Part No.29349)
Top-Rated Performance Ignition Product Brands For Your 1978 GMC P25
When it comes to finding the perfect Performance Ignition Product for your 1978 GMC P25, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Performance Ignition Product brands including Mallory and Accel, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $95.99. Purchasing a Performance Ignition Product from us here at Advance Auto Parts is a smart move for both you and your 1978 GMC P25, providing peace of mind with parts that meet or exceed OEM standards.
Popular Mallory 1978 GMC P25 Performance Ignition Products
If you’re looking for a top-quality Performance Ignition Product for your 1978 GMC P25, Advance Auto Parts has exactly what you need with our selection of Mallory Performance Ignition Products. We have 1 Mallory Performance Ignition Products in stock for this fitment, all known for their durability and precision fit. With prices starting at just $95.99, you’ll find the perfect Performance Ignition Product for your needs and budget. Mallory Performance Ignition Products for the 1978 GMC P25 come highly rated, with over 3 customer reviews and an impressive average rating of 4.9 stars. Choosing a Mallory Performance Ignition Product from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$95.99
(3)
Unilite Ignition Module
“I like the Unilite product because it is so small and compact compared to the HEI stuff I normally use. If you are restricted on space Its a great pro”
Top-Quality Accel 1978 GMC P25 Performance Ignition Products
For those in search of a high-quality Performance Ignition Product for their 1978 GMC P25, Advance Auto Parts offers a great selection of Accel Performance Ignition Products. With 1 Accel Performance Ignition Products in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Ignition Products start at just $126.99, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.0 stars, Accel Performance Ignition Products provide both reliability and excellent performance. Choosing a Accel Performance Ignition Product from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$126.99
(3)
GM Hei Supercoil Red/White
“I installed this Accel Supercoil, 1st time using one, along with a full tune up and I am impressed. Installed in a 94 caddy 4.9 v8. This car has never”
FAQs for 1978 GMC P25 Performance Ignition Products
What are the best-selling Performance Ignition Products for 1978 GMC P25s?
Out of 5 Performance Ignition Products that fit 1978 GMC P25s, the following parts are the top sellers:
- Distributor Wiring Harness (17350080) – $34.49
- Promaster Classic Series; Ignition Coil (17350082) – $204.99
- Mod HEI Dust Cover, V8 & Odd Fire V6 (10211156) – $70.99
What’s the price range for 1978 GMC P25 Performance Ignition Products?
The prices of Performance Ignition Products for the 1978 GMC P25 range from $34.49 up to $204.99 for the most premium parts.
What is the average price of a Performance Ignition Product for a 1978 GMC P25?
The average price for Performance Ignition Products for the 1978 GMC P25 is $120.18. Keep in mind the variety of part types within our Performance Ignition Product category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Ignition Products for other GMC P25 model years?
What are the cheapest Performance Ignition Products for my 1978 GMC P25?
The cheapest 1978 GMC P25 Performance Ignition Products we carry are:
- Distributor Wiring Harness (17350080) – $34.49
- Mod HEI Dust Cover, V8 & Odd Fire V6 (10211156) – $70.99
- Unilite Ignition Module (17350025) – $95.99
- GM Hei Supercoil Red/White (89012602) – $126.99
- Promaster Classic Series; Ignition Coil (17350082) – $204.99
Does Advance Auto Parts sell Performance Ignition Products for any other 1978 GMC models?
Yes. We stock Performance Ignition Products for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Performance Ignition Products, 1978 Caballero Performance Ignition Products, 1978 K25 Performance Ignition Products, 1978 K15 Performance Ignition Products, and 1978 G25 Performance Ignition Products.
What are the top-rated Performance Ignition Products that fit the 1978 GMC P25?
Based on 12 reviews by customers, our 1978 GMC P25 Performance Ignition Products have an average customer rating of 5 stars. These are the highest-rated categories of Performance Ignition Products for the 1978 GMC P25 and their top-rated products:
- Performance Coils
- GM Hei Supercoil Red/White (89012602) – $126.99
- Performance Ignition Parts
- Unilite Ignition Module (17350025) – $95.99
What types of Performance Ignition Products do you sell for my 1978 GMC P25?
As of 3/1/26, these are some of the most in-demand types of Performance Ignition Products for a 1978 GMC P25:
Can I get help with 1978 GMC P25 Performance Ignition Product orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Performance Ignition Products and more.
What is your return policy for GMC P25 Performance Ignition Products?
Advance Auto Parts keeps returns simple. For new GMC P25 Performance Ignition Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.