Frankenstein M311 LS3 Aluminum Shaft Rocker Arms

Fits Frankenstein M311 LS3 castings
1.72 Ratio
 
Elite LS Aluminum Pro Series Shaft Rocker Arms
Standard Features
 
Shaft Needle Bearings
Full complement needle bearing assembly for smooth, precise operation.
 
Nose Roller
.535” diameter Alloy Steel Nose Roller Wheel
 
Centerless Ground Shafts
Heat treated and precision ground 8620 Alloy Steel shaft provides years of durable service.
 
Billet Aluminum Rocker Body
Machined from 7000 aluminum billet, our shaft rockers are designed to withstand race or extreme street applications. The tensile strength of our 7000 series aluminum far exceeds the industry standard 2024. 7000 series aluminum provides excellent tensile and yield strength for maximum durability. Designed to handle today’s modern cam profiles and spring pressures.
 
Billet Steel Stand
Provides a stable and rigid mounting surface for shaft rocker assembly.
 
Alloy Steel Lash Adjusters
CNC machined; heat treated alloy steel lash adjusters
 
Adjusting Nut
ARP 12pt
 
Pushrod Length varies due to lifter used. Most oem style lifters use 8.100-8.200.