The increased flow is achieved through the efficiency of a straight through valve versus a traditional poppet style valve where the exhaust gas must be turned 90 degrees by the valve

Revised steering geometry (Ackermann)

Toe in/out: If Ackermann is 0 or negative then toe is 2mm out

Now you have the opportunity to modify the OEM control arms and build the kit that meets your demands

Nissan S13 Rear Suspension Kit MOD

JRWA1 Adapters 25mm 4x100 57,1 57,1 Black JR20 The increased flow is achievedPrice per pair; Type: JRWA1; PCD: 4x100; CB: 57,1; Center Lip: 57,1; Thickness: 25mm; Diameter: 149mm; Studs Nuts Pressed: 12x1,5 Studs (Outstanding Lenght 27,5mm); Mounting Bolts Nuts: 12x1,5 Bolts;