Frankenstein M311 Rocker Arm Stand - Machined Billet - GM LS-Series PD650K and are designed to protect

and are designed to protect vehicle floors from the worst the weather has to offer

And because they retain the factory wheel base

All the parts you need for a complete rebuild on your Holley carb

allowing increased passage for various header configurations

Frankenstein M311 Rocker Arm Stand - Machined Billet - GM LS-Series PD650K and are designed to protectProduct Description: Rocker Arm Stand M311 Aluminum Machined LS3 GM LS Series A designer and manufacturer of top quality high performance cylinder heads and intake manifolds for GM's popular LS series engines as well as other performance powerplants, Frankenstein Engine Dynamics specializes in taking a high output engine to the next level. They also offer premium camshafts and valvetrain components designed for maximum performance and reliability.