Gimar Venus GT 5 Port (Os Speed based) + Gimar Efra 2161 exhaust pipe and manifol

Based on famous R21GT By OS Speed , Gimar Venus comes with 3 weights...

Gimar Saturn 9 Port Compo (Os Speed based)+Exhaust Pipe Efra 2161 and manifold

9 Port hard Modfied Sleeve , 3 Balance weight  DLC Crankshaft , Hard...