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Part profile

1966 Buick 425 Wildcat V8

engine · Buick

1966 Riviera 425 Nailhead engine bay with single four-barrel induction 1966 Buick Riviera Gran Sport

Why It Matters

The MW-coded 425 used a single Quadrajet and was rated at 340 gross hp.

Also Known As

1966 MW 4251966 Riviera 425

Used On

1 linked car page.

two-door fastback sport coupe

1966 Buick Riviera Gran Sport

MW 425, 340 gross hp

Related Parts

body

1966 Buick Riviera 49487 body

interior

1966 Buick Riviera cabin

brake

1966 Buick Riviera drum brakes

brake

1966 Buick Riviera front disc brakes

suspension

1966 Buick Riviera front suspension

suspension

1966 Buick Riviera rear suspension

axle

1966 Riviera Gran Sport 3.42 axle

option

1966 Riviera Gran Sport package

suspension

1966 Riviera GS springs and shocks

body

1966 Riviera GS trim

transmission

1966 Riviera Super Turbine 400

Source Trail

Buick Motor Division, General Motors 1966 Buick Chassis Service Manual

Buick Motor Division 1966 Buick Full Line Brochure

Riviera Owners Association 1966-1969 Riviera Gran Sport identification

Hemmings Personal Luxury Powerhouse: 1966 Buick Riviera GS

Buicks.net 1966 Buick paint charts and codes

Team Buick 1966 Buick trim numbers

Team Buick 1966 Buick model reference

Hagerty 1966 Buick Riviera Gran Sport valuation and model guide