Engine Block Parts

SunCoast is known throughout the transmission world for its top-of-the-line torque converters, because the company has taken the time to listen, learn, research, and respond to its customers’ suggestions, with outstanding results. The company will...

Killer Frost Plug Plate; Incl. Plate/Bolt/O-Ring;The coolant pressure inside the engine block can reach 70+psi at high rpm before the thermostat fully opens. This will cause a corroded frost plug to leak. The BD rear frost plug is able to be seal the...

WCP Duramax Street is a 1/2 thick one-piece Girdle designed to provide additional support to the bottom end of the Duramax Block by tying the main caps to the oil pan bolts. Includes ARP Main Studs, Washers & Nuts. ARP Cross Bolts, Washers and...

WCP Billet Main Caps are designed and machined in house Does not distort when torquing down main studs Adds strength to the bottom end Can be used with or without the WCP Girdle For extra strength add the WCP Street Girdle Made in the...

WCP Duramax Street is a 1/2 thick one-piece Girdle designed to provide additional support to the bottom end of the Duramax Block by tying the main caps to the oil pan bolts. Includes ARP Main Studs, Washers & Nuts. ARP Cross Bolts, Washers and...

Frost Plug Plate; Incl. O-Ring/Bolts;Works with the frost plug in place, blown out, or leaking. No need to punch the old frost plug out. Utilizes one large #333 O-Ring. Works with and without a TCC crossover tube. Five flanged head bolts to keep the...