Speier Racing Heads

Speier Racing Heads VFactor 23º SBC heads and home of the 900hp low port 23º SBC. Super Stock 23º heads, NZ Jet Sprint 23º heads, Your induction experts! VELOCITY is KEY!

We design master ports for engine shops, BBC, SBF, SBC, BBM, SBM, LS. Customer list with PROVEN results!

05/30/2026

Well it looks like the weather will cooperate tomorrow so headed to SRCA to make some runs. It's a factored track so the index will be:

6.75- 1/8 mile
10.40 - 1/4 mile

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FIXED! Been an issue and thinking it was my hard time with clean plugs!
05/29/2026

FIXED! Been an issue and thinking it was my hard time with clean plugs!

My project manager taking care of business!
05/29/2026

My project manager taking care of business!

For those asking, this is what you clean the staked, roughed up surface, with before apply the epoxy.
05/29/2026

For those asking, this is what you clean the staked, roughed up surface, with before apply the epoxy.

05/28/2026

Car has a A2000 pump and A2000 regulator. Regulator is new. I have the adjustment all the way out and still have 8 PSI. Has a fuel log and a #8 for return. Aeromotive is telling my the #8 is too small and I need a #10 return. Instructions show #8. Anyone have any issues before? AND saying Aeromotive sucks isn't going to help!

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All working. Fuel pressure being weird. That is almost all the way out. Makes me think it’s being monitored in the wrong...
05/28/2026

All working. Fuel pressure being weird. That is almost all the way out. Makes me think it’s being monitored in the wrong place.

Old iron 441 Super Stock heads port shape. Around 195cc and need to be 165cc done.
05/28/2026

Old iron 441 Super Stock heads port shape. Around 195cc and need to be 165cc done.

Check out this bad boy, m**o! Dead nuts as well!
05/28/2026

Check out this bad boy, m**o! Dead nuts as well!

What a nice rear you have!
05/28/2026

What a nice rear you have!

05/28/2026

When you're ready to take out your competition.
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Address

3302 US Highway 183 Alt
Hays, KS
67601

Telephone

+17856230963

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