Mitsubishi Lancer Evolution 7, 8, 9 & 10 Block discs for ACD (Active central differential) provides 100% permanent lock. You can disengage all electronics as this...View full product details
Block Disc Kit - 100% Lock A Lifetime Warranty! Plug & Play! The set of Block disc provides 100% lock all the time. When you install...View full product details
Honda CR-V / Element Central differential (transfer case) Block discs This set of Block plates provides 100% lock all the time. When you install them...View full product details
Drift / Drag upgrade for OEM Limited Slip Differential 100% lock SRT8 kits fits in 2010 to 2015 Getrag 226mm found in: 2009-2014 5.7L Hemi with...View full product details
Block disc kit includes: - 15x block disc The set of Block disc provides 100% lock all the time. When you install this kit you will have welded-like differential, but...View full product details
Block discs are designed to permanently lock your Limited slip differential (LSD) to 100%.
If you prefer the feeling of a welded differential over LSD, or you would like to try it, you install block disc set and you have it. Perhaps some drift layouts requires welded differential, so with this set, you can configure your diff to 100% lock all the time. Block discs are widely used on Dragster cars as well.
What are the advantages of Block discs over Welding the diff?
They give you the ability to have one and the same differential for street and drift days. You don't want to wear out your differential on drift days, you can install Block discs and take them out after the race day to switch back to LSD again.
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