Classic Gear Oil 80w90 - GL4 Ref: 80w90 - GL4 Classic Gear Oil 80w90 - GL4 Price: £16.36 (Including VAT at 17.5%) Size 1-litre (£6.10) 5-litre (£13.92) Specification Provides performance meeting or exceeding: API GL4 MIL-L-2105 Quantity: