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1968-1969 Buick Gran Sport 350

With the initial success of the Gran Sport, Buick added several variants when the 1968 redesign occurred. Now available as the California Gran Sport, Gran Sport 350, Gran Sport 400, and eventually the Gran Sport 455, Buick had a GS for everyone. The top of the line GSX offered more torque and standard equipment than any other muscle car of the era.

Flowtech Long Tube Headers

  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-formed Power Plenum collector for low back pressure
  • Sturdy, leak-tested O-Ring port seals
  • Engineered for a precision fit
  • Designed for easy, trouble-free installation
  • Includes all mounting hardware and premium gaskets
  • Works with factory power steering and power brakes
View Flowtech Long Tube Header - Ceramic Coated Finish -1-5/8 in. x 3.0 in.

Proforged Steering Rebuild Kit

  • You can install our steering kits with confidence knowing that every part we sell is backed by our industry-leading 1,000,000 mile limited warranty
  • Proforged steering kits are built using some of the toughest steel on the planet
  • Forged SAE4140 chromoly steel studs are enclosed in forged SAE1045 housings, heat treated for strength and durability, and every fit surface is CNC machined for precision fit and finish
View Proforged Steering Rebuild Kit

HK Magnum Wheels - 17 x 8 in.

  • Classic looks in a larger, modern wheel size
  • Cast aluminum with black powder coated inserts and deep diamond machined lip clear powder coated for durability and low maintenance.
  • 17" Diameter with 8" Width allows for modern tire styles
  • 5 x 4.75" Bolt Pattern fits GM
  • 4.5" Backspacing good for early '60-70s era musclecars
  • 2-1/8" Center Bore accepts GM Sport Wheel & Olds SS I center caps
  • Includes chromed lightweight polymer cone style center cap with optional HK decal
  • Accepts regular 3/4 or 13/16" hex head 60 degree conical seat lug nuts
View HK Magnum Wheel - Aluminum 17" x 8", 4.50" Backspace, 5 x 4.75 Bolt Pattern

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