http://www.cncport.com/ WebFactory Mast ported GM cathedral porting service is a great option for those looking for great bang for your buck. These ports are now available to you in our Factory Mast cylinder heads. Specifications: GM Stock LS Cathedral. Stock Chamber (65cc) Intake Port Volume 223 cc. Exhaust Port Volume 83 cc. CNC porting. Seats: Stock Iron.
Ultimate LS Cathedral Port Cylinder Heads Guide - LS …
WebOct 12, 2024 · LS1 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More Posted 10/12/17 by OnAllCylinders Staff Last updated on 04/04/2024 The LS1 is the original Gen. 3 small block engine … WebThe price listed is for you sending your cathedral port cylinder heads (4.8/5.3, LS1, LS6, LS2, LQ4/9) to us for porting. Our stage 1 porting service will include the re-use of the stock vales. Stage 2.5 will include aftermarket 2.02/1.57 stainless steel valves. We also offer valve spring upgrades.PRC CNC Porting/Mach port elizabeth museum at bayworld
LS1 Engine Specs: Performance, Bore & Stroke, …
WebStage I: $300 Complements any of the above mentioned port jobs. Includes port matching. Stage II: $500 Suggested porting for most intakes.Includes port matching and blending of … WebMar 29, 2024 · The LS3 heads hit the flow bench. The LS3’s 319-T5 aluminum alloy cylinder heads use 2.165 in (55.0 mm) intake valves, 1.59 in (40 mm) exhaust valves, and a 15 degree valve angle. Their impressive airflow characteristics makes them a solid choice for a mild performance build right out of the box, but for those who’re looking to really ... WebSep 24, 2015 · Cathedral port cylinder heads have been mistakenly dismissed by many in LS-series circles for being “old-tech.” However, their thin cross-section allows for a high-velocity and smaller-volume runner design with excellent flow. For a street car, this design means excellent throttle response, torque and average power. Dyno tests have proven that … port elizabeth sheriff office