8.800" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods and have a maximum pressure

and have a maximum pressure of 7 psi with an externally accessible pressure relief valve

Designed for engines producing up to 500hp

Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag

Will work with any Speedmaster or Speedmaster bellhousing

if you want more airflow then you should grab up one of these Speedmaster X-Stream air flow top plates

8.800" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods and have a maximum pressureGet all of the performance that your engine can produce with these durable pushrods designed especially for high lift cams. Speedmaster pushrods are available in both 5 16 in. and 3 8 in. diameters. They feature . 080 in. wall thickness and are formed from 4130 chromoly steel. These one piece Speedmaster pushrods are heat treated for use with guideplates. They have a minimum wall thickness of . 080 in. to handle higher rpm, plus a black oxide finish.