Fits 2016-2021 Bmw 230I/M240I High Performance Heat Exchanger-D780-0002 AN 7L/V8 1975 - 1978 GMC

7L/V8 1975 - 1978 GMC C25 5

1970-1974 Plymouth Barracuda 225 CID

Buick Terraza (2006-2007)

1968-1969 Buick GS 350 350 CID

Fits 2016-2021 Bmw 230I/M240I High Performance Heat Exchanger-D780-0002 AN 7L/V8 1975 - 1978 GMCThe factory B4x B58 heat exchanger is not built to cater to the rigorous demands often associated with a modified build. The thin core is easily overwhelmed with IAT's rising dramatically once pushed beyond a few successive WOT pulls or even a few minutes at the track. This elevation in temperature gives way to the factory ECU fail safes pulling timing and reducing overall power in order to keep the system from overheating to the point of permanent