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 Performance Coils, Performance Spark Plug Wires, and Performance Ignition Parts. 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 Accel and Mallory. For example, Accel Performance Ignition Products start at just $64.99 with an average 4.1 star rating. Mallory offer similar pricing and quality, backed by strong customer feedback. With over 43 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 $114.05, with a range that starts at $34.49 and goes up to $204.99. With 6 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 Distributors and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1978 GMC P25 in peak condition, inside and out.
Find Your Specific 1978 GMC P25 Performance Ignition Products
Looking for the perfect Performance Ignition Product for your 1978 GMC P25? You’re in the right place. Below, you’ll find links to various types of Performance Ignition Products that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Ignition Products, ensuring durability and a precise fit for your GMC P25. Whether you’re driving a 1978 model or another popular model year like
1975,
1976, and
1977, we’ve got you covered. Purchasing Performance Ignition Products from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Ignition Products that fit your vehicle.
Essential 1978 GMC P25 Performance Ignition Products
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
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
Accel – 8Mm Super Stock Graphite Cust (Part No.4048)
from
$64.99
ACCEL’s SuperStock 4000 series spark plug wire sets are designed to upgrade an OE ignition system for high-spark delivery levels for street driven applications. The 450 degree F rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. The braid is applied over high dielectric strength EPDM (Ethylene Propylene Diene Monomer) inner insulation for ignition wire performance that exceeds SAE specifications.
Product Features:
See More
Product Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450 F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
- Pre And Post HEI Vehicles
Mallory – Unilite Ignition Module (Part No.605)
from
$95.99
Requires a 1.4 ohms Ballast resistor, Loom resistor or internally resisted coil.
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)
from
$34.49
3-wire for ignition box.
Product Features:
See More
Product Features:
- Service Part
- Makes Connections Quick And Easy
Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)
from
$204.99
The Mallory Promaster Classic series ignition coil is designed to meet today’s specialized ignition requirements. This coil features a faster rise time and increased spark duration (compared to stock) to increase performance. It has a glass-filled polyester case and oil-filled construction to ensure a long life and no energy loss from arcing. This coil also offers excellent wire retention with a spark plug type secondary post, and brass contact terminals.
Product Features:
See More
Product Features:
- Classic good looks
- High current / voltage output
- Spark plug style terminal for excellent coil wire retention
- Brass contact terminals
- Mounting bracket included
- Can be used on inductive and CD ignitions
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 2 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
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 Spark Plug Wire
Upgrade your P25 with our best-selling Performance Spark Plug Wire with a 4.5 Starts rating across 31 reviews.
Accel – 8Mm Super Stock Graphite Cust (Part No.4048)
from
$64.99
ACCEL’s SuperStock 4000 series spark plug wire sets are designed to upgrade an OE ignition system for high-spark delivery levels for street driven applications. The 450 degree F rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. The braid is applied over high dielectric strength EPDM (Ethylene Propylene Diene Monomer) inner insulation for ignition wire performance that exceeds SAE specifications.
Product Features:
See More
Product Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450 F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
- Pre And Post HEI Vehicles
Top-Quality Performance Ignition Parts for 1978 GMC P25s
Choose a high-quality OEM or aftermarket Performance Ignition Part for GMC P25s and enjoy top-notch performance from $34.49.
Mallory – Unilite Ignition Module (Part No.605)
from
$95.99
Requires a 1.4 ohms Ballast resistor, Loom resistor or internally resisted coil.
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)
from
$34.49
3-wire for ignition box.
Product Features:
See More
Product Features:
- Service Part
- Makes Connections Quick And Easy
Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)
from
$204.99
The Mallory Promaster Classic series ignition coil is designed to meet today’s specialized ignition requirements. This coil features a faster rise time and increased spark duration (compared to stock) to increase performance. It has a glass-filled polyester case and oil-filled construction to ensure a long life and no energy loss from arcing. This coil also offers excellent wire retention with a spark plug type secondary post, and brass contact terminals.
Product Features:
See More
Product Features:
- Classic good looks
- High current / voltage output
- Spark plug style terminal for excellent coil wire retention
- Brass contact terminals
- Mounting bracket included
- Can be used on inductive and CD ignitions
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 $64.99. 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 2 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 $64.99, with an average price of $95.99, giving you a range of options to suit your budget. Backed by over 34 customer ratings and an average rating of 4.1 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 6 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 $114.05. 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
- 8Mm Super Stock Graphite Cust (6900119) – $64.99
- 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
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 43 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
- Performance Spark Plug Wires
- 8Mm Super Stock Graphite Cust (6900119) – $64.99
What types of Performance Ignition Products do you sell for my 1978 GMC P25?
As of 6/2/26, 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.