OJ EVO 3973 15.00" X 14.25" Hardware Each Rack comes with the

Each Rack comes with the required mounting arm

Application: PCM Monsoon marine engines

Function: Reads intake manifold pressure/vacuum for ECM fuel & timing calculations

spring-loaded valve assembly

aka Shaft Seal

OJ EVO 3973 15.00" X 14.25" Hardware Each Rack comes with theThe OJ EVO 3973 is designed as a modern replacement for specific older OJ props and competes directly with a few common ACME models in the same performance range. ACME typically uses smaller diameter props with more aggressive blade shape, while OJ uses larger diameter props with optimized pitch and cup. Both can deliver similar performance they just get there differently. Current Prop Brand Size Replacement Path 948 (NLA) OJ WakePro V3 15 14 LH OJ