GM 12 Bolt Car Aluminum Main Caps
Includes Bolts - Machining Required

 
Application
GM 12 bolt passenger car housing

Will Not Fit Truck Housings

Benefits
Replaces thin cast iron main caps
Heavy stress can cause cast iron to flex, crack, & break

Billet aluminum is much more ductile
Increased flexibility make it much less prone to breakage
Thicker material further increases overall strength

Main Caps
• Machined from 2024-T351 billet aluminum
• Strong & lightweight
• Easy to machine material
• Clear anodized
• Designed & machined by Strange
• Material made in USA

SHCS Cap Bolts
• Ensures secure cap retention
• 7/16″-14 x 2.50″ to suit casting & cap height

Installation
Install caps in housing
Check and record bore sizes
Compare to included chart
Mark each cap with amount to be removed
Mill required material from the feet of each cap
Reinstall and torque to specifications

Related
Installation kit – R5211
Chrome cover – R5199
Strange HD aluminum support cover – HC0112