6.700" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster billet steel flywheels are

Speedmaster billet steel flywheels are fully CNC machined from a high tensile aircraft material billet steel

Speedmaster regulators are ideal for use with high-volume fuel pumps

Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor

While the GM 8

Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated

6.700" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster billet steel flywheels areGet 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.