March Performance 90 Degree Water Neck - 1-1/2 in ID Hose Barb - Black - GM LS-Series 3600JBK These new 220cc flow a

These new 220cc flow a massive 340 CFM

MSD Ignitions

Mercury: Cougar 73 - 73 6

and they've been manufacturing long and mid-length tube headers for GM F-Body and Nova models for decades

Minor Drilling Required

March Performance 90 Degree Water Neck - 1-1/2 in ID Hose Barb - Black - GM LS-Series 3600JBK These new 220cc flow aProduct Description: Water Neck 90 Degree 1 1 2 in ID Hose Barb O Ring Hardware Included Aluminum Black Anodized GM LS Series All March Performance pulleys and brackets are manufactured with a unique blend of durability, performance and STYLE!. With over 30 years of aircraft and automotive manufacturing experience you can be assured that our systems will fit perfectly and run true! Quality Materials All kits are machined from 6061 T6 aircraft grade