COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) 52000 which are 3-1/2" or 5"

which are 3-1/2" or 5" tall and have a 1

Royal Purple HP-2 High performance Synthetic 2 Cycle Oil - (3) 1 Gallon Bottles

1997-2002 Ford E-250 Econoline

12-1/4 x 12-1/4 in

FRP Composite Shell

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) 52000 which are 3-1/2" or 5"The next design evolution of the Hi Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application. These XD rockers are fully rebuildable and boast precision sorted needle