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Choose your Engine for your 1968 GMC K25/K2500 Pickup
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- Autolite 303 Copper Spark Plug
- Gap .035 (in); Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Insulator Tip Projection:
- 0.039
- 0.99
- Washer Included: Yes
- Electrical Terminal Type: Removable Nut
- Grade Type: Regular
- Core Nose Length:
- 0.504
- 12.8
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Skirt: Yes
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Indexed: No
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.034
- 0.86
- Ground Electrode Core Material: Nickel
- Center Electrode Projection: Short Projection
- Seat Type: Flat
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 13/16
- Reach:
- 0.374
- 9.5
- Center Electrode Tip Material: Nickel
- Skirt Length:
- 0.673
- 17.09
- Resistance: 5000
- Insulator Height:
- 2.327
- 59.11
- Center Electrode Insulator Tip Projection:
-
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
102, 124, 3075, 407L, 43, 44, 5569992, 5612002, 5612567, 5612569, 5613865, 742, 8129861, 8129865, 823, 8231, 8U2J12405AYA, 9B-0444...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | - | 8 Cyl 5.4L | 327 |
- Champion Copper Plus Small Engine- Boxed - J6C
- 3/8in Reach Spark Plugs Non-Resistor Type Gap 0.030in OE Type ; Plug Type J6C
- Champion Copper Plus Small Engine 823 Spark Plug (Carton of 4)
- Copper Plus
- Product Attributes:
- Hex Size:
- 0.813
- 20.650
- Reach: 0.375
- Center Electrode Tip Material: Nickel
- Seat Type: Flat
- Electrical Terminal Type: Removable Nut
- Ground Electrode Tip Design: J Gap
- Manufacturer Heat Range: 6
- Pre-Gap Size:
- 0.030
- 0.78
- Classification: Champion Copper Plus Small Engine
- Ground Electrode Core Material: Nickel
- Plug Type: J6c
- Hex Size:
- Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | 5753 | 6 Cyl 5.7L | 351 |
- Champion Copper Plus Small Engine- Boxed - J6C
- Non-Resistor Type Gap 0.035in OE Type ; Plug Type J6C
- Champion Copper Plus Small Engine 823 Spark Plug (Carton of 4)
- Copper Plus
- Product Attributes:
- Hex Size:
- 0.813
- 20.650
- Reach: 0.375
- Center Electrode Tip Material: Nickel
- Seat Type: Flat
- Electrical Terminal Type: Removable Nut
- Ground Electrode Tip Design: J Gap
- Manufacturer Heat Range: 6
- Pre-Gap Size:
- 0.030
- 0.78
- Classification: Champion Copper Plus Small Engine
- Ground Electrode Core Material: Nickel
- Plug Type: J6c
- Hex Size:
- Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
14-3, 14-3X, 43, 7535, 79001652, 9B0444, A3X, AT3, AT4, AZ3, B43, B7S, C43, J6C, W17U, W20SU, W22SU, W22U...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | 5358 | 8 Cyl 5.3L | 327 |
- Champion Copper Plus- Boxed - J12YC
- Non-Resistor Type Gap 0.035in OE Type ; Plug Type J12YC
- Champion Copper Plus Small Engine 10 Spark Plug (Carton of 4)
- Copper Plus
- Product Attributes:
- Hex Size:
- 0.813
- 20.650
- Reach: 0.375
- Center Electrode Tip Material: Nickel
- Seat Type: Flat
- Electrical Terminal Type: Removable Nut
- Pre-Gap Size:
- 0.035
- 0.89
- Classification: Champion Copper Plus
- Ground Electrode Core Material: Nickel
- Insulator Height: 0.09
- Plug Type: J12yc
- Hex Size:
- Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
14-32, 14-42, 2642913, 42S, 43S, 44S, 9M4141, 9M4142, A22, A32, A42, A42C, AT42, B44S, BP6S, C44S, J12YC, M43S...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | 5031 | 8 Cyl 5.0L | 307 |
- Champion Copper Plus- Boxed - J12YC
- 3/8in Reach Spark Plugs Non-Resistor Type Gap 0.035in OE Type ; Plug Type J12YC
- Champion Copper Plus Small Engine 10 Spark Plug (Carton of 4)
- Copper Plus
- Product Attributes:
- Hex Size:
- 0.813
- 20.650
- Reach: 0.375
- Center Electrode Tip Material: Nickel
- Seat Type: Flat
- Electrical Terminal Type: Removable Nut
- Pre-Gap Size:
- 0.035
- 0.89
- Classification: Champion Copper Plus
- Ground Electrode Core Material: Nickel
- Insulator Height: 0.09
- Plug Type: J12yc
- Hex Size:
- Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | 5012 | 6 Cyl 5.0L | 305 |
- Autolite 85 Copper Spark Plug
- Gap .035 (in); Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
- 0.775
- 19.69
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
- 0.374
- 9.5
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.034
- 0.86
- Resistance: 4000
- Insulator Height:
- 2.46
- 62.48
-
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
0 250 202 045, 05613090, 10, 137, 14 R-9 EUO, 19310654, 198, 25171346, 3036, 3332, 4339425, 437, 43S, 449, 44S, 5613090, 5613591, 5613845...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | - | 8 Cyl 5.0L | 307 |
- Autolite 85 Copper Spark Plug
- Gap .035 (in); Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
- 0.775
- 19.69
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
- 0.374
- 9.5
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.034
- 0.86
- Resistance: 4000
- Insulator Height:
- 2.46
- 62.48
-
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | - | 6 Cyl 5.0L | 305 |
- Autolite 85 Copper Spark Plug
- 3/8 (in) Reach Spark Plugs; Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
- 0.775
- 19.69
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
- 0.374
- 9.5
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.034
- 0.86
- Resistance: 4000
- Insulator Height:
- 2.46
- 62.48
-
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | 5012 | 6 Cyl 5.0L | 305 |
- 2300 - 2500 RPM Stall
- Tork Master 2400 Torque Converter; 2300 - 2500 RPM Stall;
- Tork Master 2400 Torque Converter
- Product Attributes:
- Trans Year:
- 1965
- 1966
- 1967
- 1968
- 1969
- 1970
- 1971
- 1972
- 1973
- 1974
- 1975
- 1976
- 1977
- 1978
- 1979
- 1980
- 1981
- 1982
- 1983
- 1984
- 1985
- 1986
- 1987
- 1988
- 1989
- 1990
- 1991
- Automotive Item Grade: High Performance
- WARNING CA Proposition 65: No
- Bolt Circle Diameter: 10.750 In.
- Flexplate Change Needed: Yes
- Stall Speed (RPM): 2300-2500
- Furnace-Brazed: Yes
- Trans Model:
- Gm- Th350 (auto) 3 Speed
- Gm- Th375 (auto) 3 Speed
- Gm- Th375b (auto) 3 Speed
- Gm- Th400 (auto) 3 Speed
- Gm- Th425 (auto) 3 Speed
- Trans Year:
-
Features:
- New Precision Pump Drive Tube
- Pressure Tested
- Fully Balanced
- Needle Thrust Bearing
- New Thrust Washer
- Washer Between Turbine and Cover
- The Tork Master 2400 fits 1965-91 GM TH400, 425, 375 and 1968-81 GM TH350, 375B (not 350C.) Dont let the exceptional value fool you into thinking Tork Master Converters are not packed with lots of quality features, making them the best value-priced street performance converters money can buy. These converters perform best when paired with stock to modified engines up to 350hp/350 ft lbs. of torque, and lighter weight applications, like street rods. The Tork Master will provide noticeably quicker launches and harder acceleration while maintaining normal daily driving qualities. Upgrades like a new precision alloy steel pump drive tube, needle thrust bearing when factory equipped, new thrust washer between turbine and cover when required, and pressure tested and fully balanced by expertly trained technicians. Notes: Higher stall converters can generate more heat, so we highly recommend adding a transmission cooler. Not recommended for big block, supercharged, plate-type nitrous oxide or trans-brake applications. The product images shown are for illustration purposes only and may not be an exact representation of the product. 10.75-inch bolt circle
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Transmission Manuf. Code | CID |
|---|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | V | 6489 | 8 Cyl 6.5L | THM375/M39 | 396 |
- 205 Degrees F Higher Alternate Temperature Replacement
- Standard
This Part Fits the Following OEM/Substitute Numbers:
12T1F, 13352, 200-205, 20005, 33010, 3352, 383, 9200205, AT24013, S335205
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1968 - GMC K25/K2500 Pickup | L | 4097 | 6 Cyl 4.1L | 250 |
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