1990 Thomas School Bus Valves & Valvetrain Parts
- PAI®Push Rod SetThomas School Bus 8.3L 1990, Push Rod Set by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Intake and Exhaust Valve Pushrod2 Years Warranty$5.00