CASM Foam Insert Density: 50 Engine Impeccably finished Titanium 3/4"-20 x

Impeccably finished Titanium 3/4"-20 x 3/4"-20 Universal Joint (U-joint) delivers silky smooth action

Fits the shout of our deluxe spindle and our standard spindle

Fits all Micro Sprint Beyea headers

Indexing letters on movable anvil and body ensures correct tool configuration

CASM Foam Insert Density: 50 Engine Impeccably finished Titanium 3/4"-20 xHyper Racing # 18 730 Use these 50 density for 80 130 pound drivers. These foam inserts are specifically designed to be inserted into the CASM 2 piston bottom seat mount. They are designed to compress with from the force of impact from a crash or a rough track. The foam inserts need to be changed after a crash or when they have been compressed 3 8" or more. Sold in a 4 pack.