Audi 4.2L Bare Block Sleeving

Turn around time of 4-6 weeks. Bare block sleeving service for all 4.2L Audi engines. This service includes the sleeves and final bore touch out. Shipping to/from our location is not included. This service is great to pair with our Piston & Connecting rod combinations!  We utilize stock bore width's in our sleeved engines. This results in engines that are more powerful with factory displacement over the competition. Our service removes the risk of the vapor ports between the bores cracking behind the sleeves and leaking coolant down into the crankcase. Below is a picture of a block that did not have our block prep service. We removed the sleeves to find cracked coolant passages between the bores and visible signs of coolant entering the crankcase.  Blocks are to be shipped to us bare and must include the guide frame. Be sure to remove the oil jets! Our sleeved blocks are always torque plated to ensure a true bore with your cylinder heads clamped down. Head bolt/stud option must be