WebSep 12, 2024 · The LS3 head can be made to flow near 350 cfm. The 300 six has a 50 cid cylinder and is equivalent to a 400 cid V8. A 300 cfm crossflow head on a 300 six would by no means be radical and would make a great street/strip engine. The only aluminum head that was available was made by Alan Johnson Performance Engineering. WebMAXX Series Aluminum Cylinder Heads. 100% CNC Ported. 210cc Intake Ports. 60cc Combustion Chambers. 2.08'' Intake / 1.60'' Exhaust Valve Sizes. Bare, 2/pkg. View Details. $1,792.00. Estimated to ship direct from manufacturer on …
PROMAXX Performance Products
WebPROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock … WebJan 18, 2024 · PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big... promaxxperformance.com Last … galaxy white background
Promaxx 3141P: XXTREME Assembled Cylinder Heads LS1, LS2 …
WebJan 20, 2024 · We’ve got a retro series for the LS3 and the LS7, which is a direct bolt-on replacement for those applications, and then we go into the LSW-12-1, 12-3 and 12-4. Some of those heads will exceed 3,000 horsepower. Our best-selling cylinder head is the LSW-12-1. There’s probably close to 10 different port configurations that go into that ... WebSummit Racing Equipment® Precision Cast Cylinder Heads SUM-162BBCREC335. Big Block Chevy Cylinder head, Aluminum, 335cc Rectangle Intake Runner, 122cc Chamber, 2.250 Intake Valve 1.880 Exhaust Valve, … WebJan 20, 2024 · Buy ProMaxx Performance 3141P at JEGS: ProMaxx Performance XXTREME Assembled 245 cc Cathedral Port Cylinder Heads for LS1, LS2 w/3.898 in. Bore w/63 cc Combustion Chambers. Guaranteed lowest price! Free Shipping over $199* galaxy wheels and tires