Overview Reviews Product Description Supertech SPRK-H1022D Dual Valve Spring 80@ 40.4mm Supertech SPRK-H1022D Product Videos Custom Field Product Reviews Write a Review Write a Review × Supertech Supertech SPRK-H1022D Dual Valve Spring 80@ 40.4mm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *