Butler Edelbrock Old 403 Hyd Roller Top End Power Package

Butler has developed a new Top End Power Package to wake up the 403 Olds found in the later model Trans Am's. Originally rated at only about 185 hp. This top end kit can push a 403 to upwards of 390hp and 405lbs tq. (with rotating assembly kit). Our kit has all the machine work done for you to simply bolt it on.

Kit includes:

Edelbrock Big Block Olds Heads milled to fit the 403

Edelbrock Performer RPM Intake, Port Matched in our Shop

Butler/Comp Custom Grind Hyd Roller Camshaft- 23604/23608 HR114

Morel Lifters

Head Gaskets

Intake Gaskets

Exhaust Gaskets

Valve Cover Gaskets

Stainless Intake Bolt Kit

ARP Head Bolt Kit

Adjustable Push Rod Length Checker

Optional Items:

5/16 Pushrods

BOP Polymer Distributor Gear

Timing Set

PTF Drop base shaker unit to offset taller height in intake