It is a bare head only. It fits vehicles with the 3.8L engine (6-231) and without the supercharged option. Built for vehicles where the 8th digit of the VIN is K. Verify your vehicle's 8th VIN digit is K.
Complete 400-500hp Std. Intake Flange Std. Exh. Port 68cc Chamber Vol. 2.125 Intake/1.75 in. Exhaust Valves Single Off Road Use Only Designed For The Engine Swap Market~ Not Legal For Use On Pollution Controlled Vehicles
Browse our selection of quality engine cylinder head parts designed specifically for your Buick Riviera. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · GS · Gran Sport
Coupe · Hardtop
V6 3.8L · V8 7.0L · V8 7.5L
Automatic · U/K
