Pioneer Cables S-177 Engine Cylinder Head Bolt Set

Engine Cylinder Head Bolt Set for Ford Applications

Pioneer Cables S-177 is an engine cylinder head bolt set for select Ford trucks and SUVs. It is built for engine rebuild and remanufacturing work where dependable fasteners are required for proper cylinder head retention.

Key Features

• Engine cylinder head bolt set for Ford Ranger, Bronco II, Explorer, and Aerostar applications
• Fits 1986-1997 Ford Ranger, 1986-1990 Ford Bronco II, 1990-1997 Ford Aerostar, and 1991-1997 Ford Explorer
• Part number S-177 for catalog and service identification
• From Pioneer Automotive Industries, a fastener supplier used by engine builders and remanufacturers
• Part of a broad engine fastener program covering studs, bolts, nuts, and related components

Detailed Description

Pioneer Cables S-177 is a replacement engine cylinder head bolt set for Ford engine service work. It is listed for 1986-1997 Ford Ranger, 1986-1990 Ford Bronco II, 1990-1997 Ford Aerostar, and 1991-1997 Ford Explorer, making it a direct-fit option for common Ford rebuild applications. The S-177 part number helps simplify ordering and verification during engine assembly or repair.

Pioneer Automotive Industries supplies engine fasteners used in standard replacement and higher-performance service categories. This makes the S-177 a practical choice when replacing cylinder head bolts during head gasket service, top-end rebuilds, or remanufacturing work on Ford Ranger and Explorer engines.

Common Repair Uses

• Replacing stretched or damaged cylinder head bolts during engine teardown
• Restoring proper cylinder head clamping after head gasket service
• Addressing fastener wear found during Ford Ranger or Explorer engine rebuilds
• Supporting remanufacturing work on Aerostar and Bronco II engines

Installation Notes and Tips

Verify engine code, cylinder head design, and service procedure before installation. Follow the factory tightening sequence and torque specifications for the exact engine being serviced. Inspect mating surfaces, threads, and bolt holes before assembly, and replace any fastener that shows corrosion, stretching, or thread damage.

Quality Assurance

Pioneer Automotive Industries has supplied engine fasteners to professional engine builders and remanufacturers for decades. The S-177 is part of that established fastener line and is intended for professional engine service where consistent hardware selection matters.