The ARP oil pump driveshaft kit for Big-Block Chevy 400 with a raised camshaft supplies the driveshaft hardware needed to adapt the oil pump to a raised-cam configuration. It’s intended to maintain correct oil pump engagement and timing when cam height changes require modified drive geometry. Use this kit during engine builds that employ a raised camshaft in BB Chevy 400 applications.
ARP BB Chevy 400 raised camshaft oil pump drive kit