Improved Racing products available online at MRC Performance .

Improved Racing develop some of the best oil system parts for General Motors vehicles. Improved Racing specializes in LS-powered vehicles like the Holden Commodore and HSV range. 
The most popular products in their line up and the baffled sumps and baffle kits, These are available for LS1 (VT-VZ) LS2 (VT-VZ) plus LS3, LS6 and LSA for Corvette and Cadillac.


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