Edelbrock CYLINDER SLEEVE, 4.125 X 9.240 (INNER), CYL. # 3,4,5, & 6

This bore sleeve comes standard on standard deck RHS Race Blocks with 4.125 bore. This replaces the sleeve on these blocks and is made of spun cast iron.

The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects.

For more information visit: www.P65Warnings.ca.gov