B18/B20 In class with KG5 although slightly Promoted rpm registers for those who want the effect a little higher up.
Too sharp Street rally racing
Suitable from step 4 cylinder head and upward.
Suitable carburettor 2x45-48DCOE or 48DHLA
VALVE LIFT 12.7
NOCK ANGLE 101 °
No guarantee unless new lifters and break-paste (P110) bought simultaneously.
Also recommended oil with zinc.
Tex Kendall 20W50 or 10W40.