The Enginetech PK3B is a brass and steel engine expansion plug set for 1965-1990 Chevrolet/GMC/Pontiac 6.5L engines.
Important Notes
- 1 3/4 block plugs.
- Brass plugs. 1 3/4 block plugs.
Specifications
| Part Number | PK3B |
| Product Type | Brass and Steel Freeze Plug Set |
| Material | Brass and Steel |
Vehicle Fitment
- 1965 Chevrolet Corvette 6.5L 396ci V8 OHV
- 1965-1967 Chevrolet Impala 6.5L 396ci V8
- 1965-1969 Chevrolet Bel Air 6.5L 396ci V8 OHV
- 1965-1969 Chevrolet Biscayne 6.5L 396ci V8 OHV
- 1965-1969 Chevrolet Impala 6.5L 396ci V8 OHV
- 1966-1969 Chevrolet Bel Air 7.0L 427ci V8 OHV
- 1966-1969 Chevrolet Biscayne 7.0L 427ci V8 OHV
- 1966-1969 Chevrolet Caprice 6.5L 396ci V8 OHV
- 1966-1969 Chevrolet Caprice 7.0L 427ci V8 OHV
- 1966-1969 Chevrolet Corvette 7.0L 427ci V8 OHV
- 1966-1969 Chevrolet Impala 7.0L 427ci V8 OHV
- 1966-1979 Chevrolet C50 6.0L 366ci V8
- 1966-1990 Chevrolet C60 6.0L 366ci V8
- 1967-1969 Chevrolet Camaro 6.5L 396ci V8 OHV
- 1968 Chevrolet Camaro 6.5L 396ci V8
- 1968 Chevrolet Chevy II 6.5L 396ci V8
- 1968 Chevrolet Chevy II 6.5L 396ci V8 OHV
- 1968-1969 Chevrolet C10 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet C10 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet C10 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet C10 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet C20 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet C20 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet C20 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet C20 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet C30 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet C30 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet El Camino 6.5L 396ci V8 OHV
- 1968-1969 Chevrolet Impala 6.5L 396ci V8
- 1968-1969 Chevrolet K10 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet K10 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet K10 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet K10 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet K20 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet K20 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet K20 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet K20 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Chevrolet K30 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 Chevrolet K30 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC C15/C1500 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC C15/C1500 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC C15/C1500 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC C15/C1500 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC C25/C2500 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC C25/C2500 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC C25/C2500 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC C25/C2500 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC C35/C3500 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC C35/C3500 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC K15/K1500 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC K15/K1500 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC K15/K1500 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC K15/K1500 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC K25/K2500 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC K25/K2500 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC K25/K2500 Suburban 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC K25/K2500 Suburban 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 GMC K35/K3500 Pickup 6.5L 396ci V8 OHV [VIN:E]
- 1968-1969 GMC K35/K3500 Pickup 6.5L 396ci V8 OHV [VIN:Y]
- 1968-1969 Pontiac Acadian 6.5L 396ci V8 OHV
- ...and 292 additional applications
Enginetech freeze plug sets (also known as expansion plugs, core plugs,
or Welsh plugs) are produced using high quality cold-rolled steel with zinc plating for
excellent corrosion resistance, or brass for superior long-term protection in severe-duty
and high-mileage applications. Enginetech offers a full selection including standard cup
design, reverse taper, disc, and deep cup styles. Always replace all expansion plugs
during a complete engine rebuild - old plugs left in place are a common source of coolant
leaks on rebuilt engines. Apply a thin coat of thread sealant or anaerobic gasket maker
to the plug outer diameter before installation. Verify all plug diameters match your
engine block before ordering.
WARNING: This product can expose you to chemicals including lead and nickel, which are known to the State of California to cause cancer, birth defects, or other reproductive harm.