17x8" Classic 5 Spoke Chrome Wheels Rims Federal Tires For Pontiac Firebird 1974 on 2040-parts.com

Wheel Size: 17x8" (All four wheels in this size)

Wheel Construction: One piece cast aluminum alloy

Wheel Finish: Chrome (Triple chrome plating - Copper, nickel and chrome)

Lug Pattern: 5x4.75” (same as 5x120.65mm)

Offset and Backspacing: 17x8" wheels: 0mm offset (4.50" backspacing) 

Center Bore: 2.88” (73mm)

Center Caps: Snap on type center caps are included, as shown - (Lense's diameter: 2 1/2")

Lug nuts: These wheels require acorn (conical seat) lug nuts (included). You will receive a complete set of chrome acorn R.H. lug nuts in the thread size that is required for installing the wheels on your vehicle (correct lug nuts for the exact make, model and year vehicle as shown in the title of this listing). Most stock GM rear wheel drive vehicles with a 5x4.75" lug pattern and low or no offset original wheel studs / brake rotors / discs from 1953 through 1981 require lug nuts in a 7/16" R.H. thread size and most 1982-1992 models require metric 12x1.5mm R.H. lug nuts. Hex Size on the supplied lug nuts may be either 13/16" or 3/4" depending on availability (vehicle's stock lug wrench may not work with the replacement lug nuts unless it matches it's hex size (however we also include a thin walled socket with the matching hex size for the installation of these wheels).

Valve Stems: Standard valve stems (rubber valve stems with chrome caps also included)

Wheel Installation: We recommend professional installation. Lug nuts must be torqued following vehicle's specifications and re-torqued after driving a few miles after first installation.

Tire Specifications:

Tire Brand: Federal

Tire Style: 595 

Tire Description: Federal's extremely successful UHP, the former ss595, has been repositioned and renamed simply as the 595. Slight technical changes have been made by FTC to the tire competition. Combat-bred, performance driven, designed for those requiring flat-out performance, no other tire grips like the 595, yet still provides for the basic comforts of everyday driving. Aggressive V-shaped tread and innovative silica compound maximizes higher level of adhesion, resistance to aquaplaning, and gives your car the ultimate control in acceleration, cornering and braking.

Tire Sizes / Dimensions:

Fronts: 235/45VR17

Rears: 245/45VR17

Overall Diameter: 25.3"

Overall Diameter: 25.6"

Section Width: 9.6” on a 17x8” rim

Section Width: 9.9” on a 17x8” rim

Load Index: 93V (Max Load 1433 Lbs)

Load Index: 95V (Max Load 1521 Lbs)

Traction: A

Traction: A

Temperature: A

Temperature: A

Speed: V (149 mph)

Speed: V (149 mph)

UTQG: 240

UTQG: 240

Sidewall Height: 4.16"

Sidewall Height: 4.34"

Mount and Balancing: Tires will be mounted and computer balanced on the wheels with tape weights applied on the backside.

Shipping / Packaging: Our wheel and tire packages are well packed in compliance with FedEx / UPS packaging guidelines and should arrive to you in perfect condition. Our shipments are fully insured so in the rare event of a package loss or damage, item will be promptly replaced at no cost to you.

Important: These wheels and tires are guaranteed to fit directly on stock vehicles as listed in the Application List above without spacers or modifications however they may not be the largest possible sizes for such applications. If you are looking for the biggest wheel and tire combo or if you have a more aggressive custom application please contact us to discuss other wheel and tire sizes. You may reach us at 1 909 433 9009 M-F 10am-4pm PST