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Over 25 Years Serving the Pontiac Performance Hobby!!!

Your Mail Order Pontiac Performance Induction Specialists

Bringing the Traditional Pontiac V8 Engine into the 21st Century through modern innovative design and state of the art machining

On Site 5 Axis CNC Head and intake Porting Service


We can help you accomplish your pre '79 Pontiac V8 Performance goals, From Dyno And Track Tested Pontiac Engine Combinations, On Site CNC ported heads and intakes, custom camshafts, top end kits to many parts you may need to build your own engine or upgrade the one you already have. If you don't see what you're looking for on the website, drop us an e-mail at techsupport. We are here to help you and save you money, by getting it right the first time around, whether we sell you all the parts or not.

Do you have Tech Questions or need help figuring out what you need to accomplish your goals? e-mail us at techsupport

ATTENTION CANADIAN Customers, with the fluctuation in the exchange rate please e-mail us for a price quote in Canadian funds as well as payment options


When shipping your heads to us PLEASE DO NOT ship both heads in one package, besides being too heavy for Lisa to handle it's also a good way for them to get damaged in shipping. Contact us if you need info on how best to package them. Thanks!!

Featured Products

SD Performance license plate frames!! While they last!!
These are quality chrome metal frames with era correct reflectorized inserts. $30.00 each or $25.00 with any parts order. Limited Supply get yours while you can!! Proudly made in the USA!! [more]

$ 30.00

$ 39.00

CNC machined & ported OEM Q-jet intake
Patterned after Q-jet guru Cliff Ruggles personal modified OEM iron intake, a back to back dyno test showed a 12 hp gain over a stock plenum OEM intake. E-mail us for core availability and price at techsupport...[more]

$ 200.00

$ 260.00

KRE 295cfm CNC Ported D-port head
The KRE D-port head is a well designed head for street/strip applications. We start with a raw as cast KRE D-port head and CNC port it to flow 290-295cfm @ .550" lift with only 197cc intake runners, we then CNC machine the combustion...[more]

$ 1565.00

$ 2034.50

Edelbrock 325 cfm Street/Strip Heads
(New CNC machined heart shaped chambers with improved spark plug location!!) This package is designed to give the absolute most bang for your buck, SD gives you more for less$$$, no one offers this much cylinder head for...[more]

$ 1645.00

$ 2138.50

Edelbrock 315+ cfm CNC Ported Street Heads
(New CNC machined heart shaped chambers with improved spark plug location!!) Street Edelbrock heads, setup for hyd. flat tappet or solid or hyd. roller cam, includes everything above, fully CNC ported to flow [email protected] .600"...[more]

$ 1620.00

$ 2106.00

Edelbrock 340-350 cfm Std. Pushrod Location Street/Strip Race Heads
(New CNC machined heart shaped chambers with improved spark plug location!!) Edelbrock head package up to 340cfm on a 4.185" bore and up to 350cfm on a 4.250" or larger bore @ .700" lift. The heads feature 2.200" intake...[more]

$ 1755.00

$ 2281.50

KRE 300-305cfm CNC ported D-port head
This head package has everything our 295 package includes with taller intake ports measuring 204cc's. The package was designed for engine combo's utilizing larger duration camshafts. In a recent dyno test on a 434ci 10.8 to 1 engine...[more]

$ 1595.00

$ 2073.50





News & Events

What's new at SD in 2021
We're busier than ever at SD CNC porting and machining heads and intakes and putting top end packages more >>
What's going on at SD in 2020
We're keeping plenty busy in the shop in this crazy world we're all living in. Demand for our CNC ported more >>
End of 2018 is fast approaching!!
Well it's been a while since we had an update on what's been going on at SD so here's a quick overview. more >>