These TSP chromemoly pushrods feature . These one-piece pushrods are heat-treated and feature oil holes that are drilled and chamfered to prevent stress fractures and cracks. This is an excellent performance camshaft with a noticeably lopey idle. GM LS6 Valve Springs. GM OEM LS6 BEEHIVE VALVE SPRINGS. 550 LIFT. PREVIOUSLY... Hardened pushrods are a must for any valvetrain upgrade on your LS based engine. Texas Speed TSP LS 7.400 Pushrods - Hardened - .080 wall thickness Fits 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92 MASTER CYLINDER PUSH ROD KIT Ls Rocker Arms TSP Chromoly Pushrods 5/16 Diameter, Set Of 16 – Spike 7.3 Godzilla Excellent upgrade when replacing rocker arms or camshaft Manual dual sofa loveseat, home theater seating with built-in storage console, double recliner RV couch with beverage holders and side storage for living room 080 wall thickness & are designed for stability under high rpm use.