WebTRUNNION KIT, BTR PREMIUM ROCKER ARM TRUNNION UPGRADE KIT - LS7/GEN V - TK027. Part Number: BTC-TK027. Not Yet Reviewed. Estimated Ship Date: Apr 10, … WebJan 28, 2024 · Let’s first look at the rocker arms. All Gen III and Gen IV LS rocker arms have a 1.7:1 ratio, except for the Gen IV LS7 rocker arms, which bumped to a 1.8:1 ratio. Most Gen III and Gen IV rocker arms are all the same, with the exception of offset intake rockers, a necessary modification to allow for larger intake valves on some of the heads ...
Rocker Arm for Cars, Trucks & SUVs - AutoZone.com
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The role of the engine rocker arm for a better performance of the ...
WebSep 26, 2016 · The rocker arms we chose for our combination are Comp Cams 1601 Ultra Pro Magnum units, featuring a 1.52:1 ratio and 3/8-inch stud fitment. These rocker arms are ideal for a high-performance build ... WebFeb 25, 2024 · For our first set of tests with the stock head, we compared stock rocker arms with a 1:1.26 ratio to the 1:1.5 ratio roller rockers. The ratios increased the 0.295 inch of lift to 0.372 inch and 0.446 inch, respectively. The high-ratio rocker arms did well at the peaks, picking up about 5 percent more torque and power. WebJan 25, 2001 · At press time, STCd kits were available for TCM 470/520/550 and O-200/300 series engines only. For a 470/520/550 TCM engine, the kit cost is $1795. In addition to the 12 rockers, these kits also include new rocker shafts, thrust washers and shaft bushings. For an O-200 Continental, cost is $695 complete while an O-300 kit sells for $975. tozer quotes on discipleship