Parts › GREEVES CHALLENGER MX 1,2,3,4,5,6 GEARBOX TO ENGINE SHIM PART NUMBER G1046 PACK 16 Image 1 of 1 GREEVES CHALLENGER MX 1,2,3,4,5,6 GEARBOX TO ENGINE SHIM PART NUMBER G1046 PACK 16 £6.40 PACK 16 SHIMS MADE IN STAINLESS USED TO TENSION PRIMARY CHAIN Quantity: Add To Cart Added! PACK 16 SHIMS MADE IN STAINLESS USED TO TENSION PRIMARY CHAIN