Darton Sleeves Replacement Cylinder Sleeve BRODIX SB Chevy 4.110 Bore 4.282 OD MAC-4P-KIT Needs aftermarket airflow improvements on

Needs aftermarket airflow improvements on inlet and exhaust

Designed using 46mm monotube technology

Allows for aggressive alignment settings for autocross and road race applications

and never discolors from the sun

Darton Sleeves Replacement Cylinder Sleeve BRODIX SB Chevy 4.110 Bore 4.282 OD MAC-4P-KIT Needs aftermarket airflow improvements onProduct Description: Cylinder Sleeve 4. 110 in Bore 5. 535 in Height 4. 282 in OD 0. 086 in Wall Steel Small Block Chevy Sold Individually Darton is a manufacture of engine block sleeves. Using specialized ductile iron, their sleeves fit a variety of engine makes and sizes.