Steel 0.491" Shaft Distributor Gear for TSP Buick V8 and V6 Distributors
Steel 0.491" Shaft Distributor Gear for TSP Buick V8 and V6 Distributors
SKU: SKU: JM6964S
In stock
Product Details
Features
- Steel replacement gear for TSP distributors with a 0.491" shaft
- Pre-drilled 0.185" pin hole takes a 3/16" roll pin (not included)
- Fits TSP Buick V8 and V6 distributors: JM7724, JM6524, JM6526, JM6529
- Not for factory distributors; no drilling required
Description
This steel distributor gear is made for TSP distributors with a 0.491" shaft. It’s not for factory distributors. The pin hole is pre-drilled at 0.185" and takes a 3/16" roll pin, so no drilling is needed. The roll pin is not included.
Applications
Replacement gear for these TSP distributors:
- JM7724: Pro Series Ready to Run, Buick small block V8
- JM6524: HEI, Buick small block V8 (215–350)
- JM6526: HEI, Buick even-fire V6
- JM6529: HEI, Buick odd-fire V6 (short shaft)
Engines covered: Buick small block V8 (3.5L/215, 5.6L/340, 5.7L/350), Buick 90° V6 (3.8L/231), and Rover V8 (3.5L/215, 1970–1974 Range Rover). Common vehicles: Buick Skylark/Special, Buick GS, Buick LeSabre (350), and Land Rover/Range Rover.
Installation
Verify your distributor is one of these TSP series with a 0.491" shaft before ordering.
Camshaft Compatibility
Most compatible with cast iron hydraulic or solid flat-tappet camshafts. Consult your cam manufacturer for the recommended gear material.
Specs
| Gear Material | Steel |
| Shaft Diameter | 0.491 in. |
| Pin Hole Diameter | 0.185 in. |
| Roll Pin Size | 3/16 in. |
| Drilling Required | No |
| Roll Pin Included | No |
| Fits | TSP Distributors Only (JM7724, JM6524, JM6526, JM6529) |
Engine Fitment
COMPATIBLE WITH
TSP DISTRIBUTORS JM7724, JM6524, JM6526, AND JM6529 (0.491" SHAFT),
NOT FOR FACTORY DISTRIBUTORS BUICK SMALL BLOCK V8 (JM7724, JM6524)
• 3.5 L / 215 in³
• 5.6 L / 340 in³
• 5.7 L / 350 in³
BUICK 90° V6 (JM6526, JM6529)
• 3.8 L / 231 in³ (even-fire 1977–1987, odd-fire 1975–1977)
ROVER V8
• 3.5 L / 215 in³ (1970–1974 Range Rover)
NOTES
For TSP distributors only; not for factory distributors
Pin hole is pre-drilled (0.185") and takes a 3/16" roll pin; roll pin not included
Most compatible with cast iron hydraulic or solid flat-tappet camshafts; consult cam manufacturer for gear material
COMMON VEHICLE APPLICATIONS
Buick Skylark / Special
Buick GS
Buick LeSabre (350)
Land Rover / Range Rover (Rover V8 applications)
Vehicle Fitment
Q&A
What is this distributor part used for?
This distributor component is used as part of the ignition system to help deliver spark to the engine.
Is this distributor component compatible with my engine?
This component should be matched to your distributor type and ignition system for proper fitment and performance.
What does a distributor do?
A distributor routes high-voltage electricity from the ignition coil to the correct cylinder at the correct time.
Will this part improve ignition performance?
Yes, a properly functioning distributor component helps ensure consistent spark delivery and engine performance.
Is this a good replacement for a worn distributor part?
Yes, replacing worn ignition components can restore proper engine performance and reliability.
Do I need to match this part to my distributor type?
Yes, distributor components must match your distributor model and ignition system for proper operation.
Can this be used in performance applications?
Yes, distributor components are commonly used in performance and upgraded ignition systems.
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
Steel 0.491" Shaft Distributor Gear for TSP Buick V8 and V6 Distributors
This steel distributor gear is made for TSP distributors with a 0.491" shaft. It’s not for factory distributors. The pin hole is pre-drilled at 0.185" and takes a 3/16" roll pin, so no drilling is needed. The roll pin is not included.
Applications
Replacement gear for these TSP distributors:
- JM7724: Pro Series Ready to Run, Buick small block V8
- JM6524: HEI, Buick small block V8 (215–350)
- JM6526: HEI, Buick even-fire V6
- JM6529: HEI, Buick odd-fire V6 (short shaft)
Engines covered: Buick small block V8 (3.5L/215, 5.6L/340, 5.7L/350), Buick 90° V6 (3.8L/231), and Rover V8 (3.5L/215, 1970–1974 Range Rover). Common vehicles: Buick Skylark/Special, Buick GS, Buick LeSabre (350), and Land Rover/Range Rover.
Installation
Verify your distributor is one of these TSP series with a 0.491" shaft before ordering.
Camshaft Compatibility
Most compatible with cast iron hydraulic or solid flat-tappet camshafts. Consult your cam manufacturer for the recommended gear material.
COMPATIBLE WITH
TSP DISTRIBUTORS JM7724, JM6524, JM6526, AND JM6529 (0.491" SHAFT), NOT FOR FACTORY DISTRIBUTORS
BUICK SMALL BLOCK V8 (JM7724, JM6524)
• 3.5 L / 215 in³
• 5.6 L / 340 in³
• 5.7 L / 350 in³
BUICK 90° V6 (JM6526, JM6529)
• 3.8 L / 231 in³ (even-fire 1977–1987, odd-fire 1975–1977)
ROVER V8
• 3.5 L / 215 in³ (1970–1974 Range Rover)
NOTES
For TSP distributors only; not for factory distributors
Pin hole is pre-drilled (0.185") and takes a 3/16" roll pin; roll pin not included
Most compatible with cast iron hydraulic or solid flat-tappet camshafts; consult cam manufacturer for gear material
COMMON VEHICLE APPLICATIONS
Gear Material: Steel
Shaft Diameter: 0.491 in.
Pin Hole Diameter: 0.185 in.
Roll Pin Size: 3/16 in.
Drilling Required: No
Roll Pin Included: No
Fits: TSP Distributors Only (JM7724, JM6524, JM6526, JM6529)
