Expansion Plug Kit - GM Fits Buick 3.8L 231 Car - PK72

Expansion Plug Kit Brass GM & Buick 3.8L 231 Car PK72B

Expansion Plug KitGM & Buick 181 196 231 2521.5 DiameterPK19

Expansion Plug KitBrassGM & Buick 181 196 231 2521.5 DiameterPK19B

Enginetech Part #RCB3800SP - Premium Engine Rebuild KitRevive your engine's power and performance with Enginetech's top-notch Engine Rebuild Kit! Designed for durability and precision, our kit...

Expansion Plug KitGM & Buick 3.3L 204PK244

Enginetech Part #RCB3800RP - Premium Engine Rebuild KitRevive your engine's power and performance with Enginetech's top-notch Engine Rebuild Kit! Designed for durability and precision, our kit...