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    Wheel Tech

Stock Front
Stock Rear
WidthThe distance from side to side of the wheel, usually measured in inches (tires refer to width in mm)8"8"
Diameter/HeightOverall height of the wheel, usually measured in inches16"16"
CenterlineThe centerpoint, width-wise, of the wheel4" from either edge
( width/2 )
4"from either edge
OffsetThe distance from the centerline to the hub mounting surface, usually measured in mm41mm13mm
Rear Spacing The distance from the hub mounting surface to the inside edge of the wheel142.6mm
( (width*25.4)/2+offset )

Sy/Ty's use a positive offset, meaning the hub mounting surface is closer to the outside edge of the wheel then the inside. Our stock rims are different offsets front to rear, so when choosing an aftermarket wheel, you have to keep in mind that you will either need different offset wheels front/back, or use spacers/adaptors to adjust the distance the rear wheel sticks out.

Stock Front 8"x16" 41mm
Stock Rear8"x16" 13mm
ZR-1 Front 9.5"x17"56mm
ZR-1 Rear (.5" off stock rear offset)9.5"x17"38mm
ZR-1 Rear11"x17"50mm


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