The next obvious step in Pontiac's normally aspirated progression of power is their new Super Duty, 3.0L, 16-valve cylinder head conversion kit, an all-new cylinder head designed to give 370 ...

The Mule gets a set of Edelbrock Performer Pontiac aluminum D-Port cylinder heads. HOT ROD Staff Writer Apr 25, 2013. See All 8 Photos. Tech Type. 0:00 / 0:00. See All 8 Photos.

Check out as we get more HP from out 2005 Pontiac GTO Poncho project car; follow along as we install new cylinder heads from Trick Flow Specialties as well as some other parts from Summit Racing ...

Brother John didn’t let the opportunity go to waste and the result was a pushrod-through-port Pontiac cylinder head design unlike anything ever seen in the GM camp before.

Pontiac found that out the hard way with the legendary Ram Air V cylinder head, which was cribbed entirely from Ford’s Tunnel ...

The Pontiac GTO’s 389 cubic-inch V8 saw improvements in the guise of revised cylinder heads, high rise intakes, and a bump to 335 horsepower for the four-barrel equipped mill, and 360 for the ...

Pontiac, perhaps inspired by Ford's Tunnel Port cylinder head design, rearranged the valve layout in the Ram Air V heads, swapping the two inboard cylinders to put the intake valves, not exhaust ...

PONTIAC ANNOUNCES THE 2009 G8 GXP. High-Performance Flagship Combines Progressive Design and Powerful Performance. NEW YORK – Today Pontiac announced the flagship of its GXP performance series ...

The first Pontiac inline six had an L-head design and 186.5 cubic inches of displacement. By 1932, it had grown to 200.4 cubic inches and could produce 65 horsepower.

Pontiac will add a 2.4-liter EcoTec four-cylinder engine to the 2009 G6 coupe. The engine will be available in the new SE trim level. Offering 164 hp and 156 pounds-feet of torque, the engine will ...