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Top Street Performance

Chevy BB 348/409 V8 Pro Series Ready to Run Distributor

Chevy BB 348/409 V8 Pro Series Ready to Run Distributor

SKU: JM7709R

$230.85
$230.85 $262.33
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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.
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Product Details

Features

  • Supports reliable ignition timing and consistent spark delivery for improved Chevrolet W-series big block 348/409 performance.
  • Engineered for dependable ignition operation across the RPM range in Chevrolet W-series big block 348/409 applications.
  • Ready-to-run design works without a separate ignition box in compatible applications.
  • Compatible with Chevrolet W-series 348 and 409 distributor applications.

Description

Upgrade compatible Chevrolet ignition systems with a distributor designed for reliable spark delivery, stable timing characteristics, and dependable high-RPM performance.

Its precision-engineered construction and ignition components help maintain consistent engine operation while supporting long-term durability in street and performance applications.

The ready-to-run configuration allows installation without a separate ignition control box in compatible applications, helping simplify wiring while maintaining reliable ignition performance.

Specs

Trigger TypeCircuit Board Module With Magnetic Pick-Up
Advance TypeMechanical And Vacuum
Cap ColorAvailable in Black, Blue, Red
Terminal GenderMale
Mechanical Tach DriveNo
Slip CollarNo
Coil TypeNo
Coil OutputExternal
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
CHEVROLET W-SERIES BIG BLOCK V8
• 5.7L / 348 in³
• 6.7L / 409 in³

NOTES
Fits Chevrolet W-series big block engines only (348 and 409).

Not compatible with later Mark IV big block Chevy engines (396, 402, 427, 454).

Designed for carbureted ignition systems.

Ready-to-run distributor with built-in ignition module — no external ignition box required.

Distributor gear compatibility should be verified with camshaft material prior to installation.

COMMON VEHICLE APPLICATIONS
• Chevrolet Impala
• Chevrolet Bel Air
• Chevrolet Biscayne
• Chevrolet C10
• Chevrolet C20
• Chevrolet K10

Q&A

What applications is this distributor compatible with?
This distributor is designed for COMPATIBLE WITH, CHEVROLET BIG BLOCK GEN. I (W) V8, 5.7 L / 348 in3, 6.7 L / 409 in3.


Will this distributor fit my engine?
This distributor is intended for Chevy/GM 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."