🔥 Pronto PD339 Distributor Cap – NOS Performance for GM Inline Classics 🔥

Description:

🔧 Product Overview: Pronto PD339 Distributor Cap

The PD339 is a high-quality aftermarket distributor cap manufactured by Pronto, designed for GM inline-4 and inline-6 engines using Delco-style ignition systems. It’s cross-referenced with:

Key Specs:

• Type: Distributor cap (female socket style)

• Material: High-dielectric polyester resin

• Tower Count: 5 (4 spark plug wires + 1 coil)

• Mounting: Bolt-on Delco-style

• Color: Black or tan (varies by batch)

• Made in: USA 🇺🇸 or Canada 🇨🇦

🚗 Vehicle Compatibility

The PD339 fits a wide range of GM T-body subcompacts and full-size RWD platforms from the mid-1970s through the late 1980s. Verified applications include:

Chevrolet

• Chevette (1976–1987) — 1.6L SOHC I4

• Camaro (1975–1977) — 4.1L L6

• C10 / C20 / C30 / K10 / K20 / K30 Trucks (1975–1977) — 4.1L & 4.8L L6

• G10 / G20 / G30 Vans (1975–1977) — 4.1L & 4.8L L6

• El Camino / Impala / Caprice / Suburban (1975–1977) — 4.1L & 4.8L L6

Pontiac

• T1000 (1981–1987) — 1.6L SOHC I4

• Sunbird / Phoenix / Ventura / Astre (1977–1981) — 2.5L I4

Buick

• Apollo (1975) — 4.1L L6

Oldsmobile

• Omega / Starfire (1977–1980) — 2.5L I4

GMC

• C/K Series Trucks (1975–1977) — 4.1L & 4.8L L6

⚠️ Always confirm fitment using distributor number or ignition system type. This cap is designed for non-computer-controlled Delco-style distributors.