Having 600hp heads on a 500hp motor means adding a set ... easily surpassing the '70 454 LS7 big-block. The cubes combined with flat-top pistons and 71cc combustion chambers to produce a static ...

Additionally, part #3965774 454 LS7 engine was a ³long block² crate ... include cast iron open chamber rectangular port cylinder heads with 2.19 intake and 1.88 exhaust valves, ³dimple² ...

As installed in the LSX 454, the LSX-LS7 head is a study of pure efficiency. Flowing over 370 cfm on the intake--with the potential for a lot more if the end user so chooses--this head allows the ...

See All 11 Photos VM:Are the LSX 454 heads unique to this package? JM:Yes. The LSX 454 is the first GMPP crate engine to utilize the all-new LSX-LS7 head. This aluminum high-performance head ...

Additionally, part #3965774 454 LS7 engine was a “long block” crate ... include cast iron open chamber rectangular port cylinder heads with 2.19 intake and 1.88 exhaust valves, “dimple ...

The car, a Monaro coupe (known as the Pontiac GTO in the U.S.), uses an iron-block LS7 with 454 cubic inches of displacement, with cylinder heads, solid roller camshafts, and an intake manifold ...

The cast aluminum cylinder heads contain two valves ... The completed engine assembly weighs 206 kg (454 pounds). Chevrolet discontinued the naturally aspirated LS7's use in the Corvette after ...

Additionally, part #3965774 454 LS7 engine was a ³long block² crate ... include cast iron open chamber rectangular port cylinder heads with 2.19 intake and 1.88 exhaust valves, ³dimple² ...

Additionally, part #3965774 454 LS7 engine was a “long block” crate ... include cast iron open chamber rectangular port cylinder heads with 2.19 intake and 1.88 exhaust valves, “dimple ...