Tire Valve: The packing included on the inside side is sold individually. Sold as a set of 8 (1 inside valve requires 2 packs) [Compatible Product] 30-499 (Tire Valve Inside 501) 30-500 (Tire Valve Inside 501LS) 30-503 (Tire Valve, Inside Silver, S27A2YYB), 30-504 (Tire Valve, Inside, Black, S27A2YBK) 30-505 (Tire Valve, Inside Red, S27A27A27A27A27A 2YR ) 3 0-506 (Tire Valve, Inside Blue, S27A2YBL) 30-5011 (Tire Valve, Inside Side, 501L)
This listing is for a set of 8, 4 wheels. This is a calculation that uses 2 bulbs per valve