Poppet Valve Spring - 37H8272
- For Tractors with SN > 181846 and Hi Pressure Filter Assembly
- Leyland: 255, 270, 262, 272, 462, 472, 282, 482, 285, 2100, 485, 4100
- For Tractors with No Cab or Quiet Cab: Leyland Golden Harvest 502, 602, 604, 702, 704, 802, 804
