Size Charts

How to measure for a Race Seat

EXTREMELY IMPORTANT!!! ALL MEASUREMENTS MUST BE TAKEN IN ABSOLUTELY STRAIGHT LINES. IF USING A TAPE MEASURE DO NOT LET IT FOLLOW THE CURVES OF THE BODY.

 
A) Width of Chest- Gives width of seat at the rib supports. Have driver stand with arms raised slightly, measure side to side 1 ½ in. below armpits. (use two straight edges placed parallel under armpit) –see diagram below.
 
B) Width of Hips- Gives width of seat at hip area. Have driver sit on a bench or table with legs hanging over the side. Measure through the center line of body side to side. Do not measure across the lap of the driver. This will give a wider than required measurment – see diagram below.
 
C) Height of Armpit- Gives height of rib support. With driver still sitting as above, measure from flat surface to armpit. Make sure shoulders are completely level across back. Make sure driver is sitting with back completely straight- see diagram below.
 
D) Height of Shoulders- Gives height of shoulder harness opening. With driver sitting as above, measure from flat surface to top of shoulder – see diagram below.
 
E) Chest Depth- Gives length of rib supports. Have driver stand with back against a wall. Measure from wall to front of chest approximately 1 ½” below armpit- see diagram below.

 

 

HOW TO MEASURE FOR SEATS


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