Odenthal EZ Set Motor Mount Features Include :EZ Set degreed two-piece adjustable motors mount. Select your clamps and engine mount degree. We offer the mounts without clamps as well for those who just need a new mount but want to reuse their clamps Precise and easy chain adjustments Isolates chassis flex from the motor case Base clamps to frame rails, upper mount locks and bolts to base. Odenthal motor mounts are designed to exacting standards for proper fit and performance. All mounts are CNC machined from high-quality billet aluminum and anodized black. EZ Set motor mounts have a dual bolt pattern. Fits IAME, X30 Mini Swift Rotax, Comer, HPV, PCR, Vortex Engine Product Line - Rok GP, Rok VLR, Rok Mini, Rok TT and more. Comes with base plate, upper mount, and 4 motor mounting bolts I - International Spacing - Engine Mount Rails are 92mm Center to Center K - Kali /CRG Spacing - Engine Mount Rains are 90mm Center to Center