DESCRIPTION
--For Small Block Chevy 283 302 305 327 350 383 & 400 V8 engines up to 1986.
--Spark Plug Style: Angle
--Material: Aluminum
--Style: Bare
--Finish: Natural
--Combustion Chamber Volume: 64cc
--Intake Runner Volume: 205cc
--Exhaust Runner Volume: 74cc
--Intake Valve Diameter: 2.020"
--Exhaust Valve Diameter: 1.600"
--Valve Stem Diameter: 11/32"
--Intake Port Shape: Rectangle
--Intake Port Location: Standard
--Exhaust Port Shape: Square
--Exhaust Port Location: Standard
--Intake Valve Angle: 23 deg.
--Exhaust Valve Angle: 23 deg.
--Valve Seat Material: Ductile Iron
--Valve Cover Mounting Style: Center & Perimeter Bolt
--Pre-Drilled Accessory Bolt Holes
--High-Grade Aluminum, Bronze Valve Guides, Hardened Seats, Advance Port Design For Greater Air Flow
--Package: Including All Items In The Pictures.
Note: Professional Installation is Highly Recommended (No Instruction Included).