here is what Penrite recommends
HPR 5
HPR05001, HPR05005, HPR05006, HPR05010, HPR05020, HPR05060, HPR05205
Full synthetic engine oil for use in the latest generation of high performance engines. Ideal where this viscosity or SAE 5W-30 or 10W-30 oils are recommended. Particularly suited for engines with variable valve timing as well as where ILSAC GF-3/GF-4/GF-5 and ACEA A1/B1, A5/B5 fuel economy oils are called for. Suitable for use in many light duty diesel engines, especially those from Europe. Suitable for use in four stroke motorcycles. HPR 5 now replaces Everyday Full Synthetic 5W-40.
Key Specifications: API SN/CF, ACEA A3/B4, Ford M2C-912A/913A/B/153G/H, MB-Approval 229.5, BMW LL-01 Approved, JASO MA1
or HPR 10
HPR10001, HPR10005, HPR10006, HPR10010, HPR10020, HPR10060, HPR10205
Full synthetic wide range viscosity engine oil developed to give the optimum balance between engine protection and fuel economy/power retention. Recommended for use in a wide range of vehicles built since 1996 including those that require 10W-40 and 15W-40 grade oils. HPR 10 now replaces most applications for Everyday Full Synthetic 10W-40 however some applications may require HPR 5 or 10 Tenths Racing SAE 10W-40.
Key Specifications: API SN/CF, ACEA A3/B4M2C-910A/M2C-905A3, HN2100, MB229.1, VW500.00/502.00/505.00
or 10 TENTHS PREMIUM FULL SYNTHETIC 0W-50
FS0W50001, FS0W50005, FS0W50020, FS0W50205
Fully synthetic, full zinc, high performance grade, for use where SAE 0W-40 oils are specified. Suitable for many older European petrol and light duty diesel engines and in a wide variety of petrol engines. Suitable for use with E85 fuel. Also ideal for four stroke motorcycles with wet clutches. Replaces SIN 0.
Key Specifications: API SN/CF, ACEA A3/B3, BMW LL-98, MB 229.1/229.3, JASO MA, VW 502.00/505.00 , Porsche GL
Whats the Zinc content for Krankin?