WebSelect the LS3 or L92 Cylinder Head Core option. Available options: Sending in my LS3 Cylinder Heads for Porting Service $ 0.00 each GM Performance - NEW OEM LS3 Cylinder Head (12675871) $ 803.22 each GM Performance - OEM LS3 or L92 Cylinder Head Cores (USED) $ 375.00 each LS3 Hollow Stem Intake Valves x 8 (Optional) WebJan 21, 2024 · RPO L99 and LS3 cylinder heads are aluminum with 68cc combustion chambers, rectangle intake ports with 257cc runners, D-port exhaust with 87cc runners, 2.165˝ intake valves and 1.590˝ exhaust valves. These heads can be CNC-ported to improve on flow and milled for higher compression.
PRI 2024: Brodix Now Offers Direct Fit 5.3 LS Cylinder Heads
WebOct 15, 2024 · In a nutshell, the LS 862 heads are the best-performing, affordable, and ported 5.3 heads that will best suit your car. If you are looking for a high-performing cylinder … WebSep 24, 2015 · In production these heads have been repurposed on the aluminum 5.3L truck engine (L33, “799” casting), which proves that despite being originally made for a 3.90-inch bore, these heads even fit on 4.8/5.3L blocks (3.78-inch bore), and are quite abundant used. Aftermarket Heads crystal mccallum death
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WebEngine Size: 5.3L - V8 Description: CNC Ported LM4/LM7 706/862 Cyl Heads .650 Springs 2.00/1.57 Valves PAIR This Cylinder Head has a core charge of $200.00 included in the cost. This charge is FULLY REFUNDED upon return. We will include a prepaid label for the return freight. ALL Flow data is located in the pictures. These are CNC ported heads. WebDec 13, 2024 · Brodix’s 5.3 heads are perfect for anybody that wants to boost their engine’s performance without any significant modifications. The heads feature a 61cc chamber, … WebPRC's stage LS3 and L92 Cylinder Heads come standard with the following options: NEW GM Cores. Your Choice Of Valves (Stock GM 106 Grams, Stainless Valve 122 Grams, Hollow … crystal mccarey soul train dancer