let me know if you do.

I know Andris Skulte (Skulte Performance) makes hubcentric spacers. You'll have to check with him on the specifics of the sizes you want (if they are possible, etc).

Allan Blaine also makes them custom.

On edit, I have his 3/8-inch ones on the front of my car and they work just fine. I need to talk to him about getting some for the rear.

For non-hubcentric spacers, Jegs sells billet aluminum ones from Baer that are drilled specifically for the 5x4.75 bolt pattern. Nice because they don't slide around behind the wheel before you tourque it down.

-John

The Blaine Fab 1/4" spacers are hubcentric, $50pr plus $4 USPS shipping to the lower 48.

Over 1/4" thickness, the bevel on the wheel ID no longer indexes on the hub. Andris Skulte was considering tooling up for thicker spacers that had the wheel hub centering ring machined on the outer face.

I thought he was doing those already (which is what I was thinking of when I suggested them, I thought you needed that style). Per one of our members, the Doug Rippie version just broke when they torqued it down on an F-body, so save your cash on those.

Don't the lug nuts locate the wheel anyway? Why the need for hub-centric spacers when the others work fine? I'm not trying to talk down on anyone, these are legitimate questions.

as long as the spacer is centered by the center locating hub, thats fine. i'm using the cheap ones from the local dirt track shop. i've had a really strong vibration most of the year and i always wrote it off as a flat spotted tire or a need to rebalance the wheel/tire.
@ this point i'm thinking of replacing the spacers w/ some i have confidence in. i'm also looking @ the axles Alan is offering just in case i have an axle letting go. i'll be doing some tests in a couple weeks to try and isolate the issue. its definitly not RPM related, its MPH related. that pretty much puts it behind the trans or the front two tires.
the spacers and axles are things that need to be done for the racing inviroment, so why not start there and see what happens.

Howdy,

Alan, can you make other thicknesses for that price?

I'm currently running 5/16" crap spacers and would like some hub centric ones just so the spacer is captured.

Even at 5/16", the wheels I have center up on the bit of hub protruding past the spacer.

Mark

Yes, I can - I thought I had a spacer post in the vendor section but it is in the tire/wheel section. Here's my prices:

1/16" $40/pr
1/8" $40/pr
3/16" $45/pr
1/4" $50/pr
3/8" $60/pr

Add $4 (for up to 2 pr) for USPS shipping to the lower 48, and CA sales tax for deliveries to a CA address,
PayPal to ablaine (at) cruzio (dot) com

I have not found any 5/16" sheet or flat bar stock of 6061, so can't supply that thickness.

I use 6061 Aluminum, cut the hub hole to be a snug fit to the hub, so fronts or LS1 rears won't go on a LT1 rear, and conversely, LT1 rears will be about .020" large on the front or on a LS1 rear (or C4/C5).

I think it's important for the spacer to index on the hub, just like the rotor does, to provide a stable base for the wheel to be clamped to. I also agree that the wheel should not exert any force on the hub if the lugs are torqued correctly. I don't have any tech on that, just the "it hasn't been a problem that I'm aware of" reasoning, backed by a huge number of LT1 4th gens that have OEM wheels that miss the front hub by about .020".

Regards,
Alan Blaine
Blaine Fabrication
831 427-3296

My '94 is lug centric up front and hub centric in the rear.