1.Machining Tolerance:
A.Big End Tolerance:+/-0.00017"
B.Small End Tolerance:+/-0.00017"
C.Verticality,Parallelism and Distortion:+/-0.00018"
D.Center to Center Distance Tolerance:+/-0.001"
E.Verticality and Parallelism Tolerance between Two Bolt Holes:0.0004"
F.Return Tolerance of Big Hole Repeat Assemble:0.00018"

2.Type:

1) Americian Cars: Ford,Chevy,Chr er
2)Europe Cars:Honda,Audi,BMW,Peugeot,Volov,Alfa Romeo,Opel/Vauxhall
3)Japan Cars:VW,Mitsubishi,Nissan,Toyota,Subaru,Mazda
4)Motorcycle-others:Yamaha,Suzuki,Kawasaki,Honda,KTM

3.Process:

Choose Raw Material+ Cutting +Heat+Forging+Heat Treatment+Sand-blasting+CNC+Packing