Missing box 1 of 2( ONLY box 2 of 2) ----Speedmaster PCE281.2003 Compatible with Chevy SBC 350 190cc 64cc Angle Hydraulic Roller Assembled Cylinder Heads

Brand:Speedmaster Part Number:PCE281.2003 Part Type:Cylinder Head [Assembled] Product Line:Hydraulic Roller Tappet Cylinder Head Style:Assembled Cylinder Head Material:Aluminum Cylinder Head Finish:Natural Combustion Chamber Volume (cc):64 cc CNC-Machined Combustion Chamber:No Intake Runner Volume (cc):190 cc Exhaust Runner Volume (cc):n/a CNC-Machined Intake Runner:No CNC-Machined Exhaust Runner:No Intake Port Shape:Square Intake Port Location:Standard Exhaust Port Shape:Square Exhaust Port Location:Standard Spark Plug Style:Angle Comp. Valve Job:No Intake Valves Included:Yes Intake Valve Diameter (in):2.020 in. Exhaust Valves Included:Yes Exhaust Valve Diameter (in):1.600 in. Valve Springs Included:Yes Maximum Valve Lift (in):0.580 in. Outside Diameter of Outer Spring (in):1.450 in. Damper Spring Included:Yes Number of Springs Per Valve:Dual Retainers Included:Yes Retainer Material:Chromoly steel Locks Included:Yes Lock Style:10 degree Valve Stem Seals Included:Yes Valve Stem Seal Style:Positive stop Rocker Arm Studs Included:No Rocker Arms Included:No Rocker Arm Nuts Included:No Guideplates Included:No Valve Cover Mounting Style:Center & Perimeter Bolt Accessory Bolt Holes Drilled:Yes Intake Valve Angle:23 deg. Exhaust Valve Angle:23 deg. Valve Guides Included:Yes Valve Guide Material:Bronze Valve Seats Machined:Yes Valve Seat Machine Style:3-angle Valve Seat Material:Ductile iron Steam Holes Drilled:No Oiling Style:Through pushrod Machined for O-Ring:No Heat Crossover:No Quantity:Sold as a pair. Notes:Due to the large runner, an offset rocker arm will need to be used.