WebOur packages will include cathedral port, square port, and rectangular port cylinder heads to accommodate LS1, LS2, LS3, L99, LS6, LS7, LSA, LQ4, LQ9, L83, L86, LT1, and more! All packages will include a pair of cylinder heads, your choice of camshaft, and a set of hardened pushrods. WebJan 7, 2024 · GPI – Ported OEM L83 (Gen V 5.3 DI) Cylinder Heads Package From: $1,095.00 $1,040.25 Select options Kooks – 2014+ GM 1500 Series Truck / 2015+ GM 1500 Series …
Huge L83 & L86 NA Head & Cam Performance Gains …
WebNov 8, 2024 · The factory L86 LT1 cylinder heads runner volumes and chamber sizes are as follows. Stock L86 LT1 cylinder heads -. 297 CC intake runner volume / 107 cc exhaust , 56.5 cc chambers. Lingenfelter CNC ported L86 LT1 cylinder heads -. 308 CC intake runner volume / 110 cc exhaust . 61 cc chambers before surfacing. WebCenter bolt cylinder heads. Lingenfelter offers a CNC ported version of the LS1 style aluminum cylinder head used on the 1999 - 2007 5.3 L aluminum truck cylinder heads. The port and chambers are carefully designed to provide the best combination of high flow capabilities and improved port velocity. This combination provides excellent horsepower … high court j\\u0026k case status
Direct Injection 5.3L Vortec L83 LM7 Dyno test - MotorTrend
WebChoose Our CNC ported OE Casting cylinder heads. Direct fit for your LT Late Model Truck or Car. . No core needed,No sending in your heads, No waiting. CNC ported- Direct Injected- Small Bore 3.780 (+)- Bare Head w/OE Valves.No springs included. See flow chart in pictures. Our Price: $970.00. Sale Price: $ 970.00. WebPrecision Race Components CNC Porting L83 or L86/LT1 CUSTOMER-SUPPLIED Cylinder Heads; TSP .660" Dual Valve Spring Kit with PAC Springs & Titanium Retainers Installed on … WebThe first head we tested, which we will refer to as brand “Y’, was a nice looking 280+ cc runner GM casting using OEM LS3 valves. It has a CNC chamber measuring a tad over 71CC. We figured the midrange would be a little weak on a 378 cid engine due to the port volume. high court johor bahru