Home / Link & Joints / Phase 4 Joint Packages / Phase-4 Rear 4Link Upper Link Flex Joint Package Phase-4 Rear 4Link Upper Link Flex Joint Package$491.96 Summit Machine Flex Joint Right Hand × 2 The Summit Machine Large Flex Joint is our most popular size joint we make. A rebuildable spherical joint for the builder looking for quality. These joints meet or exceed expectations in performance, reliability, and durability. Many success stories of this joint lasting 75,000 and even 100,000 miles or more! See below for full description... 3.125" x 2.625" 5/8" Bore Summit Machine Flex Joint Left Hand × 2 The Summit Machine Large Flex Joint is our most popular size joint we make. A rebuildable spherical joint for the builder looking for quality. These joints meet or exceed expectations in performance, reliability, and durability. Many success stories of this joint lasting 75,000 and even 100,000 miles or more! See below for full description... 3.125" x 2.625" 5/8" Bore 1.25" Hex Tube Adapter Right Hand × 2 1.25" Jam Nut Right Hand × 2 1.25" Hex Tube Adapter Left Hand × 2 1.25" Jam Nut Left Hand × 2 Phase-4 Rear 4Link Upper Link Flex Joint Package quantity Add to cart SKU: SM-JP-G Category: Phase 4 Joint Packages Product ID: 5597 Additional information Additional information Weight 19 lbs Dimensions 13 × 9 × 7 in Related products Phase-4 Rear 3 Link Flex Joint Package With Tube Adapters $981.11 Add to cart Phase-4 Rear 4Link JMX-16T Joint Package with Tube Adapters $1,223.19 Add to cart Phase-4 Rear 4 Link Flex Joint Package with No Tube Adapters for Aluminum Links $909.11 Add to cart Phase-4 Rear 4 Link Trailing Arm Flex Joint Package $345.96 Add to cart