Chevy 194-261 Early L6 Pro Series Ready to Run Distributor

• Pro Series Ready-to-Run for GM inline-six 194, 216, 235, and 261 CID engines (1962 and earlier) — no ignition box needed

• Also fits Toyota Land Cruiser inline-six — 3.9L "F" and 4.2L "2F" engines (1968–1987)

• Circuit board module with mechanical and vacuum advance — 3 bushings and 4 springs for tunable timing on early carbureted builds

• Early vehicle 12V conversion required — not compatible with 6-volt systems, generators, or ballast resistor circuits

Pro Series Ready-to-Run Distributor for Early GM Inline-Six and Toyota Land Cruiser Inline-Six Engines

Early GM inline-six engines — including the 194, 216, 235, and 261 CID — are among the most difficult applications to source modern ignition components for. Whether you're restoring a Chevrolet Bel Air, Biscayne, Task Force truck, or Advance Design truck, or building a performance street driver on an early Stovebolt or Blue Flame inline-six, this TSP Pro Series Ready-to-Run distributor is engineered specifically for these GM inline-six engines through the 1962 model year. It will not fit GM inline-six engines produced after 1962.

This distributor also fits the Toyota Land Cruiser inline-six — the 3.9L "F" engine (used through approximately 1974) and the 4.2L "2F" engine (1975–1987) — making it one of the few ready-to-run performance distributors available for the FJ40, FJ55, and FJ60 platform. Land Cruiser owners running contact-point ignition on an aging distributor will find the circuit board module and magnetic pick-up trigger to be a significant reliability upgrade for trail, overland, and street use.

The circuit board module with magnetic pick-up trigger eliminates the need for contact points, condensers, and the ongoing maintenance that comes with them on these aging ignition systems. Mechanical and vacuum advance give you direct, tunable control over your total advance curve, with three interchangeable advance bushings and four springs included for adjusting advance rate to suit your specific build and carburetor setup. Clockwise rotation. The steel gear is most compatible with cast iron hydraulic and solid flat-tappet camshafts — verify gear material with your camshaft manufacturer if your build uses a roller or specialty cam.

Applications
Compatible with GM Inline-Six engines through 1962 — 3.2L / 194 CID, 3.5L / 216 CID (also referred to as 216.5 or 217), 3.9L / 235 CID (also referred to as 235.5 or 236), and 4.3L / 261 CID. Will not fit GM inline-six engines produced after 1962. Also compatible with Toyota Land Cruiser inline-six engines — 3.9L / 3,878cc "F" and 4.2L / 4,230cc "2F" (1968–1987). Confirmed common GM vehicle applications include Chevrolet Bel Air, Biscayne, C10, Task Force trucks, and Advance Design trucks.

Q: What GM engines is this distributor compatible with?
A: This Pro Series distributor fits GM inline-six engines through the 1962 model year, including the 194 CID (3.2L), 216 CID (3.5L, also listed as 216.5 or 217), 235 CID (3.9L, also listed as 235.5 or 236), and 261 CID (4.3L) in carbureted applications. It is not compatible with the 1963-and-later 194, 230, 250, or 292 inline-six engine family.

Q: Will this distributor fit a Toyota Land Cruiser?
A: Yes. This distributor also fits Toyota Land Cruiser inline-six engines, including the 3.9L (3,878cc) F engine and the 4.2L (4,230cc) 2F engine used from 1968 through 1987 in FJ40, FJ45, FJ55, and FJ60 models.

Q: Will this distributor fit my 1963 or later Chevy inline-six?
A: No. This distributor is designed only for the early GM inline-six engine family through the 1962 model year. It is not compatible with the later 194, 230, 250, or 292 CID inline-six engines introduced in 1963. For those engines, use the TSP Late Inline-Six Pro Series or HEI distributor.

Q: What Chevrolet vehicles used the 194, 216, 235, and 261 CID inline-six engines?
A: Common applications include the Chevrolet Bel Air, 150, 210, Biscayne, Task Force trucks (1955–1959), Advance Design trucks (1947–1955), and other Chevrolet passenger cars and light-duty trucks through the 1962 model year. Always verify your engine displacement before ordering.

Q: Does my early Chevrolet need a 12-volt conversion before installing this distributor?
A: Yes. This distributor requires a 12-volt electrical system with a charging alternator. Many early GM vehicles—particularly Advance Design trucks and early passenger cars—were originally equipped with 6-volt electrical systems and generators. Before installation, verify the vehicle has been converted to 12 volts, uses an alternator, and no longer uses a ballast resistor. This distributor is not compatible with 6-volt systems, generators, or ballast resistor ignition circuits.

Q: Do I need an external ignition box with this distributor?
A: No. This is a Ready-to-Run distributor with an integrated ignition module. No external ignition box, CDI unit, points, or condenser is required. It does require an external ignition coil rated at 35,000 volts or higher, which is not included.

Q: Why is this distributor a better option than restoring the original points ignition?
A: This distributor replaces the factory breaker-point ignition with a maintenance-free magnetic pickup and electronic ignition module. It eliminates periodic point adjustments and condenser replacement while providing more consistent spark timing, improved reliability, easier starting, smoother idle, and better overall performance.

Q: Does this distributor fit the Toyota Land Cruiser FJ40?
A: Yes. It fits FJ40 models equipped with the 3.9L F or 4.2L 2F inline-six engines. It also fits other Land Cruiser models using those engines through the 1987 model year, including the FJ45, FJ55, and FJ60.

Q: What advance type does this distributor use?
A: This distributor features both mechanical (centrifugal) and vacuum advance. It includes three advance bushings and four advance springs for mechanical advance tuning, along with a black vacuum advance block-off plate for applications that require mechanical advance only.

Q: Is the distributor gear compatible with my camshaft?
A: This distributor includes a steel distributor gear that is most compatible with cast iron hydraulic or solid flat tappet camshafts commonly found in early GM inline-six and Toyota F/2F engines. If your engine uses a roller or specialty camshaft, consult your camshaft manufacturer for the recommended distributor gear material before installation.

Q: What is included with this distributor?
A: Included are the distributor, three advance bushings, four advance springs, a color-matched spark plug wire retainer with mounting screws, a black vacuum advance block-off plate, a power extension cable, and a tachometer output extension cable.

Q: What electrical system does this distributor require?
A: This distributor requires a 12-volt electrical system with a charging alternator. It is not compatible with 6-volt systems, generators, or ballast resistor ignition circuits. If your early Chevrolet or GMC still uses its original electrical system, a complete 12-volt conversion is required before installation.