Oil Additives - Whats in your oil and why is it there?
JASO DL-1 & JASO DH-2 Information
E85 Compatible Engine Oils
ENVIRO+ LOW & MID SAPS OILS
Zinc Myths & Legends
Diesel Particulate Filters (DPFs) and Correct Lubricants UPDATE
LPG OILS
What are the benefits of using the correct engine oil? NEW
What is the Penrite Extra Ten?
API SN Product List - November 2014 UPDATE
Hybrid Engine Oils UPDATE
Mazda Rotary Engine Oils
Engine Oil Summary Updated
What is the Difference between HPR, Classic & Shelsley Oils?
EGR and Engine Oils in Diesel Engines
ACEA Specifications
Esters and Engine Oils NEW
ATF Multi Vehicle LV - New Product (Replaces ATF DX VI)
DCT TRANSMISSIONS
Coolant Types & Their Purpose
JASO MA MA1 & MB Differences
Guide to Greases
Product substitution guide
Choosing the right Brake Fluid New
Brake Fluid Testers
DOT 5 SILICONE BRAKE FLUID New
Penblue (Adblue) - Fuel additive
VALVE SEAT RECESSION