4-BOLT Main Bearing Cap 1275 Sprite, 1300 Mini Including A-PLUS, Tang Slots Are Cut So You Can Use Reg. 1275 Or A+ Bearings. Use Msa54 Arp Main Studs,+ MCS-2 3/8" Outside STUDS/NUTS/WASHERS. Must Be Align Bored And Thrusts Faced
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.