Competition Group: IMSA GTP
Constructed By: Holbert Racing under license from Porsche AG
Constructed For: Holbert Racing
Ownership History: Holbert Racing (1984), Hayes (1988), Jackson (2001)
Competition Highlights: 11 IMSA GTP wins and 19 podium finishes between 1985 and early 1988. Multiple championships in 1985, 1986, and 1987.
Chassis Notes: none
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