EMPI Adjustable IRS Spring Plates — 4-1/4" Collar, Pair | VW Thing Type 181 1973–1974 (17-2673-0) model-930 The result is a period-correct

The result is a period-correct upgrade engineered for a precise fit and a finish built to last

corrosion-resistant finish ready to reinstall

The pulley and fan belt stay in approximately the same plane

Correct placement: 9 side bolts

EMPI Adjustable IRS Spring Plates — 4-1/4" Collar, Pair | VW Thing Type 181 1973–1974 (17-2673-0) model-930 The result is a period-correctEMPI Adjustable IRS Spring Plates 4 1 4" Collar (Pair) The EMPI Adjustable IRS Spring Plates are a high performance suspension upgrade specifically designed for the 1973 1974 VW Thing (Type 181) and custom off road applications. Featuring a 4 1 4" collar matched for 24 11 16" torsion bars, these plates let you fine tune rear ride height by approximately 2" to 3" without the tedious process of re indexing the torsion bar splines. Built from heavy duty