AST 11/2020- BMW 4 Lowering Springs - 25mm/20mm 1967-pontiac-tempest-custom-esi9145178 The cylinder should be matched

The cylinder should be matched to both the inside diameter and inside height of the vehicle spring at normal ride height

Three interchangeable injector nozzles to cover a wide variety of HP levels (250cc/min

For example

Out flows factory air intake by 42%

AST 11/2020- BMW 4 Lowering Springs - 25mm/20mm 1967-pontiac-tempest-custom-esi9145178 The cylinder should be matchedThe AST Lowering Springs reduce your cars center of gravity while maintaining the comfort of OEM springs. Designed as a direct OEM replacement, they are vehicle specific and crafted with premium materials on top quality Wafios coiling machines. Their progressive design balances a lowered stance with enhanced performance. With compatibility across over 3,000 models from 1966 upwards, these springs suit a wide range of vehicles. Backed by a lifetime