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

The CAR-A-VAN got it's updates. More area, more shape. Ready for records!
07/21/2026

The CAR-A-VAN got it's updates. More area, more shape. Ready for records!

How a head porter checks free drop🤣😎
07/21/2026

How a head porter checks free drop🤣😎

Straight Wall Monday!
07/20/2026

Straight Wall Monday!

2970 for Cody Bird. LOOK how straight those walls are before the burr is used. The debate should be HOW rough it is. The...
07/18/2026

2970 for Cody Bird. LOOK how straight those walls are before the burr is used. The debate should be HOW rough it is. The ROUGHER the better.

Anytime now......
07/17/2026

Anytime now......

Set of the VFactor v3.00 for Siebert Performance. The PR is 3.00in..MATH with pitot at .800 lift.352 x 2.4 =844.8 - 844....
07/17/2026

Set of the VFactor v3.00 for Siebert Performance. The PR is 3.00in..

MATH with pitot at .800 lift.
352 x 2.4 =844.8 - 844.8 / 287.2 = 2.939in

How efficient is that!

FOR SALE: Edelbrock 2925 fully ported to 1206. Sized for 383-421. $1450 shipped
07/17/2026

FOR SALE: Edelbrock 2925 fully ported to 1206. Sized for 383-421. $1450 shipped

Here is the 380 23 degree in the roadster. Built with a set of CNC v2.35, 205cc heads.Stock block 4.155x3.50SRH v2.35PF ...
07/14/2026

Here is the 380 23 degree in the roadster. Built with a set of CNC v2.35, 205cc heads.

Stock block 4.155x3.50
SRH v2.35PF heads (205cc)
SRH Holley 300-110 ported/burr finished
​Whitener 4150 carb
2.08/1.600 SRH Severe Duty valves
K-Motion K1650 springs
LGM 1.70 rockers .300 offset
Trend double taper pushrods 8.100 long
Erson 262/268 106 LSA 101 ICL690/.660 retainer lift
Crower lifters
Moroso oil pump
Stef's oil pan
S**t LW Crankshaft
S**t LW Rods 6.000
Mahle Pistons 13.5-1 w/gas ports
1.2/1.2/2mm rings
Jesel belt drive
Jesel front distributor
Moroso wires
Innovators West damper
Starr vacuum pump

When you buy a set of SRH heads, you get blended seats. It's just the way I do it and won't change..
07/14/2026

When you buy a set of SRH heads, you get blended seats. It's just the way I do it and won't change..

Address

3302 US Highway 183 Alt
Hays, KS
67601

Telephone

+17856230963

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