Overview Reviews Product Description These 4" anodized aluminum adjusting sleeves are the perfect fit with our pivot studs and ball joint plates. California Residents WARNING Product Videos Custom Field Product Reviews Write a Review Write a Review × SPC Performance SPC Performance 4" Aluminum Control Arm Adjusting Sleeve (3/4in. NPT Threads) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *