797performance.com VS.

texas-speed.com

This Package Includes the Following Items: Your Choice of Camshaft Includes TSP .660" Dual Spring Kit with PAC Racing Polished Springs, Titanium Retainers, Hardened Spring Seats, and New Valve Stem Seals Texas Speed Hardened Chromoly Pushrods   This is the perfect upgrade package for customer looking for all the aftermarket parts needed to do a camshaft swap.  Typical gains will range from 30 to 65 rear-wheel horsepower from a TSP camshaft swap alone! We do offer the optional adjustable pushrod length checker that allows you to verify the correct pushrod length needed for your setup.  We can give you a good idea of what is typically used with your engine, lifter brand, etc., but it can certainly vary from setup to setup.  You can vary up to .050" in pushrod length depending on which camshaft core the cam manufacturer uses!  This is NOT information that any camshaft manufacturer includes with their camshafts, so it is always best to verify the length you need to avoid any valvetrain issues.