Overview Reviews Product Description Coil-Over Shock Kit - Pro-Coil - Twintube - Single Adjustable - 550 lb/in Spring Rate - Front - 2051-2250 lb - GM Corvette 1963-82 / GM Impala 1958-70 - Pair Product Videos Custom Field Product Reviews Write a Review Write a Review × QA1 QA1 Pro-Coil Front Shock Kit 63-82 Corvette QA1GS507-09550D Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *