WebFull CNC port; PCD surfaced to your desired chamber size; Proprietary valve job; Hand blended valve job; Cleaning and reassembly to your needs and specifications; CONTACT … WebApr 30, 2024 · Re: Ported 317 LS Heads for the beginner by Carnut1 » Sun Apr 29, 2024 7:44 pm No wonder it is so easy to make power with them. Servedio Cylinder Head Development 631-816-4911 9:00am - 9:00pm EST user-17438 Re: Ported 317 LS Heads for the beginner by user-17438 » Sun Apr 29, 2024 7:48 pm
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Web873 99-00 LQ4 6.0 Iron center bolt heads . 317 01 and up LQ4 and LQ9 6.0 aluminum center bolt heads . 035 01 - 04 LQ9 6.0 aluminum center bolt heads . Even more detailed info: Casting Numbers 241, 806, 853. Head: 1997+ LS1 5.7 Liter Passenger Car . Material: Aluminimum . Part Number: 12559806 (1997-98) Chambers = 69cc. 12559853 (1999-00 ... WebSep 24, 2015 · These heads came on low-performance 6.0-liter truck engines in two variations: “873” cast iron (1999–2000) and “317” aluminum (2001+). The early design was the only castiron LS head ever made, and the least desirable in a performance application. However, the later heads can be a good choice for boosted applications because they … fnf salty sunday mod download
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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, … 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 … Web317 heads are designed for a 4.000" bore motor. Your LS1 is a 3.900" bore motor. Therefore, you'll need a thicker gasket on your heads. Stock heads are 67cc and you are going to a … fnf salsicha x matt