The A356-T61 aluminum castings have been redesigned on the exhaust side to improve strength and water jacket integrity. Trick Flow Twisted Wedge 170 cylinder heads are available fully assembled or as bare castings.
Exhaust Valves Included: Yes Exhaust Valve Diameter (in): 1.600 in. Valve Springs Included: Yes Maximum Valve Lift (in): 0.540 in. Outside Diameter of Outer Spring (in): 1.470 in. Damper Spring Included: Yes Number of Springs Per Valve: Single Retainers Included: Yes Retainer Material: Chromoly steel Locks Included: Yes Lock Style: 7 degree Valve Stem Seals Included: Yes Rocker Arm Studs Included: Yes Rocker Arm Nut Thread Size: 3/8-24 in. Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: Yes Guideplate Pushrod Size: 5/16 in.
Notes: Trick Flow twisted wedge pistons are required for use with these heads to allow for piston to valve clearance. Valve cover rail is raised. We do not lower invoice values since it is a violation of US and International custom laws. Let us work to resolve your problem so everyone is happy.Suite D7 Costa Mesa, CA 92627. And no repairs will be provided, nor labor charges covered by TREperformance Inc. The item "Trickflow Twisted Wedge SBF 170cc Cylinder Head Single Valve 58cc Max Lift.
540" is in sale since Wednesday, July 19, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Cylinder Heads". The seller is "treperformance" and is located in Costa Mesa, California.This item can be shipped worldwide.