Manley 11755-8 SBC S/D 1.600in Exhaust Valves Engine Intake Valve Kit. Engine > Valve Train Components > Engine Intake Valve Kit. Manley 11755-8 SBC S/D 1.600in Exhaust Valves. Manley - 11755-8 - SBC S/D 1.600in Exhaust Valves - Exhaust Valve - Severe Duty - 1.600 in Head - 0.342 in Valve Stem - 5.365 in Long - Stainless - Small Block Fits Chevy - Set of 8.This item is in the category "Automotive\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Valvetrain Components\Valves". The seller is "partsterr_canada" and is located in this country: CA. This item can be shipped worldwide.