Vibrant -6AN Female to Male Inline Check Valve rb25det neo This is the correct timing

This is the correct timing belt for an RB30 running a DOHC cylinder head with two timing pullies

CT9A Lancer Evolution 9

Genuine Bosch LSU 4

You are advised to double check that this is center on your application BEFORE you drill the 76mm hole

Vibrant -6AN Female to Male Inline Check Valve rb25det neo This is the correct timingVibrant Performance Ball Style Inline One Way Check Valves are lightweight and constructed entirely from 6061 Aluminum alloy. Our Ball Style Inline One Way Check Valves are designed to prevent flow back of all varieties of fuel, oil or coolant. Vibrant Check Valves will stand up to the most rigorous operating environments and are capable of handling temperatures ranging from 30deg F to 400deg F and operating pressures up to 300psi. All Vibrant