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Top Street Performance

Buick Big Block V8 Pro Series Ready to Run Distributor

Buick Big Block V8 Pro Series Ready to Run Distributor

SKU: SKU: JM7725R

Regular price $230.85
Sale price $230.85 Regular price $262.33
Shipping calculated at checkout.

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Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.
Product DownloadsJM6971BL

Product Details

Features

  • Supports reliable ignition timing and consistent spark delivery for improved Buick big block V8 engine performance.
  • Engineered to maintain dependable ignition operation across varying RPM ranges in Buick big block V8 applications.
  • Durable performance-oriented distributor construction helps support long-term Buick big block V8 ignition reliability.
  • Compatible with Buick 400, 430, and 455 big block V8 applications.

Description

Engineered for enthusiasts seeking dependable ignition performance, this distributor helps maintain stable timing characteristics and consistent spark output for street and performance engine combinations. Durable construction supports long-term ignition reliability.

Specs

Trigger TypeCircuit Board Module With Magnetic Pick-Up
Distributor RotationClockwise
Advance TypeMechanical and Vacuum
Cap ColorAvailable in Black or Red
Terminal GenderMale
Mechanical Tach DriveNo
Slip CollarNo
Coil IncludedNo
Coil TypeExternal
Required Coil Output35,000+ V
Gear MaterialSteel
Housing MaterialMachined Aluminum
Ignition Box RequiredNo
Marine UseNo
Cylinders8
3 Bushings And 4 Springs for Mechanical AdvanceIncluded
Color-Matched Spark Plug Wire Retainer with ScrewsIncluded
Vacuum Advance Block-Off Plate (Black)Included
Power Extension CableIncluded
Tachometer Output Extension CableIncluded

Engine Fitment

COMPATIBLE WITH
BUICK BIG BLOCK V8
• 6.6 L / 400 in³ (1967-1969)
• 7.0 L / 430 in³
• 7.5 L / 455 in³

NOTE: Distributor gear is most compatible with cast iron hydraulic or solid flat tappet camshafts; consult cam manufacturer for recommended gear material

COMMON VEHICLE APPLICATIONS
• Buick GS
• Buick GSX
• Buick Skylark
• Buick Riviera
• Buick LeSabre
• Buick Electra
• Buick Estate Wagon

Q&A

What applications is this distributor compatible with?
This distributor is designed for COMPATIBLE WITH, BUICK BIG BLOCK V8, 6.6 L / 400 in3 (1967-1969), 7.0 L / 430 in3, 7.5 L / 455 in3, NOTE: Distributor gear is most compatible with cast iron hydraulic or solid flat tappet camshafts; consult cam manufacturer for recommended gear material.


Will this distributor fit my engine?
This distributor is intended for compatible engine applications and should match your engine type and ignition system.


What does a distributor do?
A distributor routes high-voltage electricity from the ignition system to each cylinder at the correct time.


What type of advance does this distributor use?
This distributor uses mechanical and vacuum advance, which affects ignition timing performance.


What type of distributor gear is included?
This distributor includes a steel gear, which should be matched to your camshaft material.


Will this distributor improve ignition performance?
Yes, a performance distributor can improve spark delivery and engine efficiency.


Is this a good upgrade over a stock distributor?
Yes, aftermarket distributors can provide improved reliability and performance over stock units.


Do I need to set timing after installing this distributor?
Yes, ignition timing should be properly set after installation for optimal performance.


Can this distributor be used in performance builds?
Yes, distributors are commonly used in performance and custom engine builds.

Emissions Notice

This Top Street Performance (TSP) product is designed for racing and off-road competition use only. It is not legal for use on public roads or emissions-controlled vehicles and does not comply with federal, state, or local emissions regulations. The buyer assumes all responsibility for legal use and installation.

What is a Emissions-Controlled Vehicle?
"An emissions-controlled vehicle is any vehicle equipped with a factory-installed emissions control system designed to reduce air pollution. These systems include catalytic converters, oxygen sensors, EGR (Exhaust Gas Recirculation) valves, and diesel particulate filters (DPF). Most vehicles manufactured after 1975 are considered emissions-controlled and must comply with federal and state emissions laws when used on public roads."