WebJan 14, 2024 · I know 243's are good but didn't know if 862's are any good when they're right in front of me. They won't flow as good as 243 but you'll have better compression vs 243. You can have them ported for a reasonable price and have a good valve job done on them to make them perform. They'll never be rock stars but they'll do fine with that cam. WebOur CNC machining of your cylinder heads will include tear down, cleaning and inspection, CNC porting, milling, and re-assembly of customer-supplied cylinder heads. The end result is the best CNC ported factory cylinder heads for your 6.2L/6.4L Hemi. Dyno gains of over 30 HP have been seen in back-to-back testing!
TSP CNC Ported 6.2/6.4 Cylinder Head Porting
WebMar 22, 2024 · HHP/BES CNC Ported Pro-Grade Cylinder Head Pair for 09-Current Challenger, Charger, 300, RAM, Durango & Jeep Grand Cherokee 5.7L VVT - HHP-VVT57PPH. MSRP: $1,995.00. WebSep 15, 2024 · Thitek full porting stock 2.14 intake $1600-$1995 probably the best CNC porting. CNC porting is not the best, every head is slightly different from core shift. As it's all the same, CNC porting cuts conservatively to avoid the smallest dimensions identified on different heads during port development. Development is done all by hand. pool free game
Advanced Induction - 218cc GM 5.3L Head Package
WebPrecision Race Components CNC Ported 6-Bolt 255cc Aftermarket Casting LS3 Heads & Cam Package. ... PRC 4.00+" Bore LS3 Port 13 Degree 6-Bolt 255cc CNC Heads & TSP … WebThe unique CNC design has been 100% developed, machined and tested in-house at TSP. These CNC heads will bolt onto your standard cylinder and are designed to work with standard base gaskets. If you are unsure of your current base gasket thickness we can advise the correct thickness to achieve the necessary cylinder height and squish clearance. WebSo far we have learned the following: The bad CNC heads intake flows on average from 0.050″ to 0.500″ 1.7% more than stock. The stock heads exhaust flows on average from 0.050″ to 0.550″ 0.285% more than the CNC head! The stock heads exhaust flows on average from 0.100″ to 0.400″ 6.08% more than the CNC head! pool freezer shield install