1991 Buick Roadmaster/Cadillac Brougham/Oldsmobile Custom Cruiser. 1987 GMC Full-Size Jimmy. Small Block Chevy V8 305ci/5.0L. Head Cast #: 2187. Block Cast #: 627, 058. 1 piece rear main seal. Use conventional or break-in oil (non-synthetic) for the first 600 miles of operation. Do not drive for long periods at any single speed, always vary your speed. Do not tow a trailer or put other heavy loads on the vehicle. Check the engine oil and coolant levels daily. At 600 Miles change the engine oil and filter using conventional (non-synthetic) oil. Check fuel and ignition settings; adjust valves (where applicable). After the first 5,000 of service synthetic engine oil may be used. Follow your vehicle owner’s manual for service intervals. Around here, we don’t just sell parts – we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country. Parts may be our business – but grease, fuel, exhaust, power, and speed are what we live for. Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year. Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Engines”. The seller is “jegsperformance” and is located in this country: US. This item can be shipped to United States.

• Brand: ATK Engines
• Manufacturer Part Number: DC36
• UPC: 653517007255