Overview Reviews Product Description Spindle - Rocket XR1 - Stock Pin Height - 6 Degree - 3-1/2 in Caliper Mount - Driver Side - Steel - Black Powder Coat - Universal - Each Product Videos Custom Field Product Reviews Write a Review Write a Review × PPM Spindle Rocket XR1 Left Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *