WebAFR 15° MONGOOSE HEADS - LS1 - 230cc - 72cc CHAMBER - CNC PORTED - 4 BOLT - BIG BORE - ASSEMBLED - AFR1630 WILL SHIP DIRECTLY FROM MANUFACTURER ESTIMATED SHIP DATE: TBD $2,955.73 Add to Cart Please login to add to Quote. AFR CYLINDER HEADS - 15° LS1 - 210cc - 66cc CHAMBERS - ASSEMBLED - PAIR - 1510 WebNov 8, 2024 · It appears the L83 has a 1.928" In valve and 1.556" ex valve. The L86 is 2.13" and 1.59" respectively. I haven't measured it completely yet but it looks like a 2" valve is all the L83 will handle in stock form. The casting does appear to have enough meat for me to install a larger seat so as time allows I will do that.
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WebPrecision Race Components CNC-Ported Gen 5 5.3L L83 Heads & Camshaft Package, Outright. SKU: 199-2014L83Pkg ... -2014LT1Pkg. Quick View. Precision Race Components CNC-Ported Gen 5 LT1 & LT4 Heads & Camshaft Package, Customer Supplied Heads for Porting. SKU: 199-2014LT1PkgCust . 199-2014LT1PkgCust. Quick View. PRC 255cc & … WebFeb 21, 2024 · The notable difference between the L83 and L8B engines is that the L8B includes GM’s eAssist powertrain, which combines the traditional gas-powered engine with an electric motor. The eAssist offers … china restaurant in ludwigsfelde
Huge L83 & L86 NA Head & Cam Performance Gains (+100rwhp!)
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 … WebThe PRC ported gen 5 L83 & LT1 cylinder heads are an excellent upgrade for customers looking for more power than what the factory castings offer. Pair our PRC ported gen 5 cylinder heads up with a TSP LT1 or L83 camshaft that was designed on our SuperFlow engine dyno for maximum power! Ask your sales professional how you can gain 100+ HP … WebCompletely Assembled in the USA Extensive CNC and dyno testing has resulted in one of the most powerful LT-based cylinder heads available! Cylinder Head Specs: Intake CC: 312cc Intake Valve: 2.165" Exhaust Valve:1.600" Chamber Size: 58cc FLOW NUMBERS Lift Intake Exhaust .2 151 117 .3 223 154 .4 265 200 .5 310 216 .6 349 229 .65 365 232 .7 370 235 grammarly discount 60%