Upgrade your valve train with Feuling Parts Quick Install Pushrods. These high-strength pushrods offer exceptional rigidity, rivaling even heavy-duty one-piece designs, while providing the convenience of quick installation. Description Feuling Parts Quick Install Pushrods are engineered for performance and ease of use. Constructed from premium 7/16" rod, meticulously turned down to 3/8" OD, they maintain robust 7/16" - 20 threads for the base and jam nut. The 0.134" wall thickness ensures durability and minimizes deflection, contributing to consistent valve timing. These individual length exhaust and intake pushrods allow for installation without removing rocker covers, saving you valuable time and effort. The jam nut design simplifies adjustments, providing precise control over valve lash. Crafted with pride in the USA, these pushrods represent quality and performance you can trust. Features & highlights Achieve superior strength and rigidity, second only to heavy-duty one-piece pushrods. Enjoy quick and easy installation without the need to remove rocker covers. Benefit from individual length exhaust and intake pushrods for precise fitment. Utilize the jam nut design for simple and accurate pushrod adjustments. Made in the USA with premium materials and craftsmanship. Technical specifications Brand: Feuling Parts Product Name: Pushrod Diameter: 3/8" Wall Thickness: 0.134" Threads: 7/16" - 20 threads per inch Adjustment: 0.050" per turn (Two turns = 0.100") Units: Set of 4 Important to know Requires pushrod tube kit (sold separately). Correct pushrod/lifter adjustment requires starting with fully pumped-up lifters.