QA1 MOD SERIES Coil-Over System [REAR | Valving MOD Series | Spring rates included 150 | Coil-Over (Firm)] (1982-2002 Chevrolet Camaro & Pontiac Firebird) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS