CRX 80w140 Competition heavy duty synthetic gear oil. Ref: CRX 80w140 Competition heavy duty synthetic gear oil. Price: £44.51 (Including VAT at 17.5%) Size 1-litre (£9.70) 5-litre (£37.88) Specification API GL5 MIL-PRF-2105E API MT-1 ZF TE-ML-02 TE-ML-05 Proven in 24 hours sports car racing Proven solution to gearbox problems in rally cars Proven in competition, or where fully synthetic is specified Quantity: