Aeroflow Cast Iron GM LS Engine Block - AF96-1020 keihin Billet Aluminum/Polyamide Pivot Cup

Billet Aluminum/Polyamide Pivot Cup

KTM 350 XC-F 2021

KTM 300 XC 2019

59" solid stem exhaust valves

Aeroflow Cast Iron GM LS Engine Block - AF96-1020 keihin Billet Aluminum/Polyamide Pivot CupAeroflow Performance engine blocks are the ideal starting point for any street performance build that demands quality and precision at a reasonable price. Why start your engine build with a worn out production block from decades ago that needs hours of machine work. When you can start with a new heavy duty cast iron engine block that is a semi finished bare engine block that requires very little machining to match your internal components. These brand