Moroso 64031 Crank Pulley Shim Kit, Fits Small Block and Big Block Chevy and others w/ 3 x 3.200" Bolt Circle sold2026 The weighted base can stabilize

The weighted base can stabilize the support without shaking

so please be sure to confirm that your eyewear is compatible before making a purchase

Multi-purposes: Perfect for embroidery

This is the most durable and accurate spectroscope available on the market as it modeled to firmly hold the diffraction grating and scale

Moroso 64031 Crank Pulley Shim Kit, Fits Small Block and Big Block Chevy and others w/ 3 x 3.200" Bolt Circle sold2026 The weighted base can stabilizeMoroso 64031 Crank Pulley Shim Kit, Fits Small Block and Big Block Chevy and others w 3 x 3. 200" Bolt Circle SHIM KIT, CRANK PULLEY,SBC, BBC Product Features Includes 3 shims per pack, 1 16", 1 8" and 3 16"