These Seats and Springs for Delex (4-Pack) are for repairing leaky 2-handle faucets. Use with a 3S-2 stem. The package contains 2 short seats and 2 springs.
Do it Delta Faucet Repair Kit for Single Lever Ball Type Faucets, 408388
Includes everything you need to repair Delta Style Faucets
O-rings, Cam, seats, springs, and wrench
Danco 08893P Plastic Cartridge for Peerless/Larden/Bristol