QA1 PRO COIL SPRING [Rate/In. 300 | Free Length 15 | Upper ID 2.125 | Lower ID 2.5 | Upper End Style Pigtail] (1993-2002 Chevrolet Camaro & Pontiac Firebird) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS