Replacement Dual Case Adapter Couplers$240.65 – $242.44 Input Gear Choose an option21-Spline23-SplineClear Replacement Dual Case Adapter Couplers quantity Add to cart SKU: N/A Categories: Dual Adapters, Engine & Drivetrain, Transfer Case Description Additional information Reviews (0) Description These couplers are designed to work with OEM and Trail-Gear input gear splines. High-strength splined couplers are made from heat-treated and carburized SCM415 alloy steel. Trail-Gear couplers may not work with other manufacturer’s aftermarket gears. 21-Spline or 23-Spline couplers are available. These gears fit RF1A transfer cases. Additional information Weight 4 lbs Dimensions 12 × 7 × 7 in Input Gear 21-Spline, 23-Spline Reviews There are no reviews yet. Be the first to review “Replacement Dual Case Adapter Couplers” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Related products Fully Built Transfer Cases/Transfer CaseTrail-Creeper Tacoma Chain Drive Crawl Box 2.7 Auto/3.4 Manual And Auto For 95-04 Tacoma Trail Gear $3,873.62 Add to cart Carrier Bearing Kits/Dual AdaptersToyota Carrier Bearing Relocation Kit For 05-14 Tacoma Trail Gear $100.20 Add to cart Dual Adapters/Transfer Case Adapter KitTacoma/FJ T-Case Adapter Plate Kit 4.0L Auto For 05-14 Tacoma Trail Gear $858.82 Add to cart