Why It Matters
Optional Rochester three-two-barrel induction raised the 389 rating to 338 gross horsepower.
Also Known As
Grand Prix 389 Tri-Power389 three two-barrel
Part profile
intake · Pontiac
Optional Rochester three-two-barrel induction raised the 389 rating to 338 gross horsepower.
1 linked car page.
26657 Sports Coupe (two-door pillarless hardtop)
26657 Sports Coupe