• Part # 7111 **Available now as an upgrade for all Pro Systems 4150, SV1 and Dominator carburetors.  $79.00 per block.
  • Part # PN 7790 Simplify the installation of a Wide open throttle switch on your SV1 with this heavy duty bracket and Micro switch.
  • Part # P26159/60 Its finally here the SV1 throttle bracket. This ONE bracket fits BOTH 4150 and Dominator bolt patterns. Its billet and has the return spring kit built right into the design. Its everything you need in one. Just choose between the factory GM end or the Lokar cable end.
  • Part # PN7785 If you have an SV1 and want to install an air cleaner our Billet air cleaner bracket makes the install easy. Its strong too, cycled over 1000 times with a 100 lb. load without failure. The bracket extends up and away from the venturi to allow incoming air to fill and straighten. $24.00 includes mounting hardware.
  • Part # SPK1 Stop guessing! This is the best scope available for reading spark plugs. We're racers, so we even upgrade this one to have a super white light to make locating porcelain heat, timing marks and misting even easier. You say you don't know how to read all the information a spark plug provides? Well, you will now. Our tuning video is included. This video gives you an intense series of lessons in reading spark plugs and tuning your engine. You will watch this video over and over. Now you have the knowledge and the equipment...go tune that engine! Check out this link regarding reading spark plugs.
  • Part # VID Learn how to tune Professional engines! In this informative and detailed video we describe: BSFC numbers and analysis Distillation curves of fuels and using them to your advantage Analyzing RacePak Data Reading sparkplugs on regular fuels Reading sparkplugs on C-series fuels Adjusting Air bleeds Selecting sparkplug heat ranges Extensive dyno sheet analysis Fuel curves De-mystified Selecting a proper fuel Using ICT in the real world Altering individual cylinder timing without ICT Jetting with large plenums This video also includes a live demonstration on the wet-flow bench and much much more. Our subjects in the video range from 4150 tuning tips, Dominator sizing and calibration information to correcting and analyzing an IHRA Pro Modified racing engine, and we even give up the secrets to the perfect fuel curve, tested by the current IHRA Pro Stock World Champion. After watching and understanding all the information in this video you'll have completed your knowledge of tuning a high performance engine. This one has it all! There is so much information in this video, you will have to watch it over and over again. When placing your order, please be sure to select VHS or DVD.
  • Part # 8805 If you are looking for the most consistent fuel pressure with minimal pressure drop under a load, you need to use a Bypass regulator.
    Our Part # 8805 Billet bypass regulator is the best way to go to give you rock solid fuel pressure.
    The regulator is a simple hook up and go setup that can be plumbed in many different ways.
    Includes 3 -8AN fittings as shown.
    Check out our 440 Fuel pump page (in our Racing Parts section) for various plumbing diagrams for the 8805 regulator.
  • Part # 7742 The SV1 keeps getting better and better. Fresh off the win at Hot Rod Drag Week, Dual SV1's powered the fastest Naturally aspirated car to ever win the event. The SV1 then won a heads up shootout against the best in the business in a independent dyno competition. Well a new development in boosters for the SV1 has entered the arena. If you have a real tight converter and your car leaves real lazy or worse yet, you cant even get the car to jump up on the converter when you stomp it? We got the answer. Are you looking for more torque and a carb(s) that will instantly jump to the chip when staging? Our SV1's are now available with Power boosters. Our new SV1 Power boosters massively expand the low rpm fuel cone and they incredibly strengthen low speed signal for improved low rpm atomization and instant response to throttle movement and shift recovery. These things are wicked!! Available now for all model SV1's. $29.00 per booster (2 per carb required).
  • Fuel is what makes the power in a nitrous application. You have to get it there and you have to control it. This modified Holley regulator is setup to open on a hair trigger and offer stable fuel pressure throughout the run. It's been body relieved to speed up the opening rate and hand seated to reduce fuel creep. More instantly available torque for your nitrous program can be yours for only $64.95. Part # PN-803
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