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Maxwill Racing Engines

Australia's sprint car engine specialist. Performance parts, engine builds, and motorsport engineering in Adelaide.

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Hepfner (HRP)

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Wings & Accessories

Hepfner (HRP)·1" Chromoly Nose Wing Clamps

With a pair of these babies you’ll be able to move your Nose Wing further forward over the Front Bumper and use your own Straight or Offset Nose Wing Post. They’ll save you $$$!! These all Chromoly Clamps have Pre- Reamed Pinch Bolt Holes. All you add is the Bolts & Nuts. Very low cost, VERY HIGH QU

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Wings & Accessories

Hepfner (HRP)·Aero Dynamic Nose Wing Stands

THESE ARE THE smoothest Aero Dynamic Stands we have seen take a close look at the picture. They’ll cut through the air like a knife. Remember the cleaner the air goes under your Wing the more down force it will have, so this is an easy way to get that job done! Plus We Have Them In 2 Different Mater

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Bodies & Accessories

Hepfner (HRP)·Down Tube Hood Plates

THIS IS THE only way to fit your Down Tube Body. These handy laser cut Aluminum .060 plates pop rivet to the under side of your body and the top flap will DZUS to the pre drilled hood plate. Can be installed in minutes. These are the ones all the car manufactures use. Now You Can Save Money By Fitti

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Wings & Accessories

Hepfner (HRP)·Internal Top Wing Kit

YOU HAVE ALL asked for it, now it’s here, a complete ready to assemble 5x5 Top Wing Kit with Internal Runners. Built for BR Motorsports by the country’s Number One Top Wing Builder. This is the Highest Quality Wing you’ll find anywhere. Every piece is Laser Cut using Aerospace equipment. Every Hole

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Wings & Accessories

Hepfner (HRP)·Outlaw Nose Wing

The hottest wing everyone's talking about. This Hepfner Racing Outlaw Nose Wing is 100% CNC Computer Cut and Punched for a perfectly tight fitWind Tunnel Designed and Tested for the Optimum Down Force with the least amount of drag!It's the best of both worlds. Constructed from Heat Treated 6061 T-6

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Bodies & Accessories

Hepfner (HRP)·Radiator Air Box

THE LATEST IN design to fit most early Sprint Chassis including Maxim, Eagle, Stealth, Schnee, Etc. Features include Pre-Drilled Lightening Holes, Pre-Formed DZUZ Flanges, Smooth Radiased Edges. Fits 20” Wide Radiators, plus both parts can be ordered separately. A Perfect Factory Replacement!

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Bodies & Accessories

Hepfner (HRP)·Spark Plug Guards Header Style

SIMPLY HOSE CLAMP it to your Headers. Keep rocks and mud off your Plugs and Wires. Don’t Let A Rock Take You Out Of The Race! Comes individually.

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Bodies & Accessories

Hepfner (HRP)·Straight Tube Header Plug Guard

If you run Straight Tube Headers these are the Spark Plug Guards you will want. Made from Stainless Steel and bent to an exact fit. Hose clamp them on and you're down! Install In Seconds!!

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Wings & Accessories

Hepfner (HRP)·Swedged Titanium Offset Nose Wing Post

BUILT JUST LIKE our Aluminum Offset Post but out of Titanium. These are made of Aircraft Titanium Hydraulic Tubing, CONSTRUCTED FROM 1” O.D. .049 Titanium Tubing with Special Swedges at the top for easy Nose Wing mounting. The Curved Style allows you to push the Nose Wing out over the front bumper (

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Wings & Accessories

Hepfner (HRP)·Ultra Glide Twist In Top Wing Post

THESE FORGED ULTRA Glide Top Wing Posts are made to twist right into your Internal Runner Wing. This Pair of Top Wing Posts are slick! As you can see in the picture the edges are completely machined and Radiused so they is no drag. The Awesome Contour Bottom lets the Belly of the Wing slide perfectl

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Wings & Accessories

Hepfner (HRP)·Ultra Light Nose Wing Straps

ALMOST 1/2 THE weight of our Standard Strap. This New Unit is pressure stamped with 4 Adjusting Holes and 3 Long Lightening Holes. Channel Design so they won’t flex. They Are Really Trick And Light. Sold individually.

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Bodies & Accessories

Hepfner (HRP)·Wing Tree Spud Kit

A PERFECT WAY to either move your Front Wing Tree on your Down Tube or replace a damaged one, this Kit will get it done right! Each Kit has 2 Laser Cut 4130 Chromoly Spuds that are fish mouthed to fit you Down Tube. 8 Pinch Bolt Bungs and 2 Aero Dynamic Support Gussets to complete the job. This Kit

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