Harland Sharp 'b' Series 1.625 Roller Rockers On Heat Treated (Nitrided) Rocker Shaft. Use Parts From Your Old Rocker Assembly to Complete A New Working Set. Adjusters And Lock Nuts Must Be In Good Condition (Tight)
Since 1996 the APT website has been a popular destination for British sports car enthusiasts. British Leyland (BMC) 'A' & 'B' Series, all Triumph Engines "We wrote the book on Tuning the A-Series Engine" Authored by well known engine expert David Vizard and original partner in APT. APT specializes in engine and engine parts, and most importantly over 30 years of running them on the road, the track, the dyno and the flowbench.