0.519 10134334 camshaft, hyd roller 1 x x x 10185071 camshaft, hyd roller 1 x x 0.728 12554553 *pin. locator - sprocket to cam 1 x x x x x 0.736 14088785 sprocket, cam 1 x x x 12552128 sprocket, cam 1 x 9424877 bolt, cam sprocket (5/16-18 x 3/4") 1 x x x x x 12552128 sprocket, cam 1 x 0.724 14088783 chain, timing 1 x x x 10128485 chain, timing 1 x Fel Pro 260-1269 Overhaul Gasket Kit & Elgin Head Bolt set compatible with 1989-95 TBI SBC 5.7L Chevy 350 Amazon.com Price: $ 145.95 (as of 26/12/2020 22:21 PST- Details ) & FREE Shipping . Product prices and availability are accurate as of the date/time indicated and are subject to change. Overall height of a 86-65 SWIRL head valve is 114 mm, 82-85 BATHTUB head valves are about 112 mm. Using a swirl head valve in a bathtub head will cause the the valves to stay open causing no compression. 2) Oversize journal cylinder heads. Mopar had a few screw ups in machining cylinder head cam journals. A COMPLETE set New, New Chevy Vortec heads of “CNC-UnderCover Ported” with the above listed “CNC-UnderCover Porting” modifications, machined for screw-in studs, 11/32″ stainless valves, springs for a flat tapped or hydraulic cam, spring locators, steel retainers, machined valve locks, rocker studs and guide plates, surfaced with a ...