Pontiac 265 350 400 455 1.65 Ratio 7/16" Stainless Steel Roller Rocker Arms Speedmaster radiator overflow tanks are

Speedmaster radiator overflow tanks are both functional and stunning to look at

Includes special adapter bushings to fit 1987-95 engines

and forged flat-top pistons matched to your bore size

and a removable center section for cam adjustment or replacement

Pontiac 265 350 400 455 1.65 Ratio 7/16" Stainless Steel Roller Rocker Arms Speedmaster radiator overflow tanks areNOTE: You need Studs and Guide Plates to Run Roller Rockers . Speedmaster Stainless steel rollers are manufactured from heat treated stainless steel and alloy steel tip rollers. Speedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load up to 600lbs.