Shop By Product Matching "Ignition"
Choose your Submodel for your 1977 GMC C25
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Product
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- HEI Ignition Module; High-Performance; Fits GM Applications 73 to 89
- High-Performance
- Engine Ignition Module; HEI Style; High-Performance 4-Pin Model; Fits All GM Applications 73 to 89; Direct Replacement For Factory Unit; Sold Each
- Product Attributes:
- Category: Distributors
- Feature/Benefit: Engineered With Low Saturation For Maximum Spark Intensity
- Applications: All Gm Applications 1973 To1989
- Make: Gm
- Engineered with low saturation for maximum spark intensity
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - GMC C25 | L | - | 6 Cyl 4.8L | 292 |
- 3.5 mH Inductance; 42000 Max Voltage; 200mA Peak Current; 0.31 ohms Primary/9.2K ohms Secondary Resistance; 200 uS Spark Duration; 70:1 Turns Ratio; Black;CARB E.O. D-40-37 Recommend To Use w/HEAT HEI Module PN[83647]
- GM HEI Distributor Coil; 3.5 mH Inductance; 42000 Max Voltage; 200mA Peak Current; 0.31 ohms Primary/9.2K ohms Secondary Resistance; 200 uS Spark Duration; 70:1 Turns Ratio; Black;
- GM HEI Distributor Coil
- Product Attributes:
- Spark Duration: 200 Us
- WARNING CA Proposition 65: Yes
- Turns Ratio: 70:1
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Inductance: 3.5 Mh
- Maximum Voltage: 42000
- Peak Current: 200 Ma
- Primary Resistance: .310 Ohms
- Secondary Resistance: 9.2k Ohms
-
Features:
- Direct performance replacement for GM HEI coil-in-cap dist.
- 70:1 Turns Ratio
- Lower Primary Resistance Produces High Voltage Output
- Full Power Sparks To 9000 Rpm w/PN[83647] MSD HEI Module
- Recommended For Use w/MSD HEI Module PN[83647]
- CARB E.O. Approved
- HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD HEI Module, PN 83647.The MSD HEI Coil is designed for use with the MSD High Output HEI Module, PN 8364. It will work with stock ignition modules, but for maximum output use the MSD HEI Module.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - GMC C25 | L | - | 6 Cyl 4.8L | 292 |
- 3.5 mH Inductance; 42000 Max Voltage; 200mA Peak Current; 0.31 ohms Primary/9.2K ohms Secondary Resistance; 200 uS Spark Duration; 70:1 Turns Ratio; Black;CARB E.O. D-40-37 Recommend To Use w/HEAT HEI Module PN[83647]
- GM HEI Distributor Coil; 3.5 mH Inductance; 42000 Max Voltage; 200mA Peak Current; 0.31 ohms Primary/9.2K ohms Secondary Resistance; 200 uS Spark Duration; 70:1 Turns Ratio; Black;
- GM HEI Distributor Coil
- Product Attributes:
- Spark Duration: 200 Us
- WARNING CA Proposition 65: Yes
- Turns Ratio: 70:1
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Inductance: 3.5 Mh
- Maximum Voltage: 42000
- Peak Current: 200 Ma
- Primary Resistance: .310 Ohms
- Secondary Resistance: 9.2k Ohms
-
Features:
- Direct performance replacement for GM HEI coil-in-cap dist.
- 70:1 Turns Ratio
- Lower Primary Resistance Produces High Voltage Output
- Full Power Sparks To 9000 Rpm w/PN[83647] MSD HEI Module
- Recommended For Use w/MSD HEI Module PN[83647]
- CARB E.O. Approved
- HEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors. This coil is a direct replacement of the stock coil and offers increased spark energy when used with the MSD HEI Module, PN 83647.The MSD HEI Coil is designed for use with the MSD High Output HEI Module, PN 8364. It will work with stock ignition modules, but for maximum output use the MSD HEI Module.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - GMC C25 | L | - | 6 Cyl 4.8L | 292 |
- Carbon Resistor Core; Custom Fit; 90 deg.; Blue
- High Energy 8mm Ignition Wire Set; Carbon Resistor Core; Custom Fit; 90 deg.; Blue;
- High Energy 8mm Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Carbon Resistor Core
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 90 Degree
-
Features:
- Available For Street Or Track Applications
- High Temperature and Oil Resistant Wire Insulation
- High Temperature Silicone Spark Plug Boots
- Works In High Under Hood Temperatures
- Offered With Resistor Or Wire Core
- A value priced 8mm high performance wire that outperforms the competition. Taylor's 8mm High Energy series is manufactured in a fiberglass reinforced, high temperature, oil resistant ignition wire and is available in your choice of two popular conductors. High temperature blue 100% silicone boot ends with vibration proof double spring locking spark plug terminals. The perfect wire choice for most daily driven/street vehicles and meet the demands of today's high tech ignitions and high under-hood temperatures.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 5.0L | Base | 305 |
- Carbon Resistor Core; Custom Fit; 90 deg.; Blue
- High Energy 8mm Ignition Wire Set; Carbon Resistor Core; Custom Fit; 90 deg.; Blue;
- High Energy 8mm Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Carbon Resistor Core
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 90 Degree
-
Features:
- Available For Street Or Track Applications
- High Temperature and Oil Resistant Wire Insulation
- High Temperature Silicone Spark Plug Boots
- Works In High Under Hood Temperatures
- Offered With Resistor Or Wire Core
- A value priced 8mm high performance wire that outperforms the competition. Taylor's 8mm High Energy series is manufactured in a fiberglass reinforced, high temperature, oil resistant ignition wire and is available in your choice of two popular conductors. High temperature blue 100% silicone boot ends with vibration proof double spring locking spark plug terminals. The perfect wire choice for most daily driven/street vehicles and meet the demands of today's high tech ignitions and high under-hood temperatures.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 5.7L | Sierra Grande | 350 |
- Spiro-Wound; Custom Fit; 90 deg.; Red
- 8mm Spiro-Pro Ignition Wire Set; Spiro-Wound; Custom Fit; 90 deg.; Red;
- 8mm Spiro-Pro Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Spiro Wound
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 90 Degree
-
Features:
- 350 Ohm Per Foot Resistance
- Spiro-Wound With Stainless Steel Wire
- Covered With A Conductive Fluorocarbon Material
- Provides More Fire Power To the Spark Plugs
- Two Layers Of 100 percent Pure Silicone
- Eliminates Radio Frequency Interference
- Red
- Spiro Pro 8mm wire is the top choice of Racers and Enthusiasts due to its affordable value and overall high performance features. Offers heat protection to 600º F. Provides 65,000 volts of dielectric strength.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 6.6L | High Sierra | 400 |
- Spiro-Wound; Custom Fit; 90 deg.; Red
- 8mm Spiro-Pro Ignition Wire Set; Spiro-Wound; Custom Fit; 90 deg.; Red;
- 8mm Spiro-Pro Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Spiro Wound
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 90 Degree
-
Features:
- 350 Ohm Per Foot Resistance
- Spiro-Wound With Stainless Steel Wire
- Covered With A Conductive Fluorocarbon Material
- Provides More Fire Power To the Spark Plugs
- Two Layers Of 100 percent Pure Silicone
- Eliminates Radio Frequency Interference
- Red
- Spiro Pro 8mm wire is the top choice of Racers and Enthusiasts due to its affordable value and overall high performance features. Offers heat protection to 600º F. Provides 65,000 volts of dielectric strength.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 6.6L | Base | 400 |
- Spiro-Wound; Custom Fit; 90 deg.; Black
- 8mm Spiro-Pro Ignition Wire Set; Spiro-Wound; Custom Fit; 90 deg.; Black;
- 8mm Spiro-Pro Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Spiro Wound
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 90 Degree
-
Features:
- 350 Ohm Per Foot Resistance
- Spiro-Wound With Stainless Steel Wire
- Covered With A Conductive Fluorocarbon Material
- Provides More Fire Power To the Spark Plugs
- Two Layers Of 100 percent Pure Silicone
- Eliminates Radio Frequency Interference
- Black
- Spiro Pro 8mm wire is the top choice of Racers and Enthusiasts due to its affordable value and overall high performance features. Offers heat protection to 600º F. Provides 65,000 volts of dielectric strength.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 6.6L | Sierra Grande | 400 |
- Carbon Resistor Core; Custom Fit; w/HEI; 135 deg.; Blue
- High Energy 8mm Ignition Wire Set; Carbon Resistor Core; Custom Fit; w/HEI; 135 deg.; Blue;
- High Energy 8mm Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Carbon Resistor Core
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 135 Degree
-
Features:
- Available For Street Or Track Applications
- High Temperature and Oil Resistant Wire Insulation
- High Temperature Silicone Spark Plug Boots
- Works In High Under Hood Temperatures
- Offered With Resistor Or Wire Core
- A value priced 8mm high performance wire that outperforms the competition. Taylor's 8mm High Energy series is manufactured in a fiberglass reinforced, high temperature, oil resistant ignition wire and is available in your choice of two popular conductors. High temperature blue 100% silicone boot ends with vibration proof double spring locking spark plug terminals. The perfect wire choice for most daily driven/street vehicles and meet the demands of today's high tech ignitions and high under-hood temperatures.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 7.4L | High Sierra | 454 |
- Carbon Resistor Core; Custom Fit; w/HEI; 135 deg.; Blue
- High Energy 8mm Ignition Wire Set; Carbon Resistor Core; Custom Fit; w/HEI; 135 deg.; Blue;
- High Energy 8mm Ignition Wire Set
- Product Attributes:
- WARNING CA Proposition 65: Yes
- Boot Type: Carbon Resistor Core
- WARNING CA Proposition 65 Message: Cancer And Reproductive
- Engine: Universal 8 Cylinder
- Boot Angle: 135 Degree
-
Features:
- Available For Street Or Track Applications
- High Temperature and Oil Resistant Wire Insulation
- High Temperature Silicone Spark Plug Boots
- Works In High Under Hood Temperatures
- Offered With Resistor Or Wire Core
- A value priced 8mm high performance wire that outperforms the competition. Taylor's 8mm High Energy series is manufactured in a fiberglass reinforced, high temperature, oil resistant ignition wire and is available in your choice of two popular conductors. High temperature blue 100% silicone boot ends with vibration proof double spring locking spark plug terminals. The perfect wire choice for most daily driven/street vehicles and meet the demands of today's high tech ignitions and high under-hood temperatures.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - GMC C25 | V | - | 8 Cyl 7.4L | High Sierra | 454 |
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