2.8L 24v - A28 / Z28

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2.8L 24v - A28 / Z28

2.8L 24v - A28 / Z28

2.8L 24v - A28 / Z28 

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2.8L 24v - A28 / Z28
The A28NET / Z28NET is the only forced-induction V6 in this Vauxhall/Opel catalogue: six cylinders in vee, twenty-four valves, and boost that pushes combustion pressure far beyond anything a naturally aspirated block of the same capacity ever sees. The same engine appears at SAAB under the code B284R. On the Insignia OPC and the Vectra OPC a build starts with the piston, and we list WOSSNER forged pistons here, sized for the thermal and mechanical load of a hard-worked twin-turbo.