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H-P Books
http://us.penguingroup.com/static/pages/…
Performance and how-to books -
H-P Tuners
http://www.hptuners.com/
Performance computer flash tuning software -
H3R Performance
http://www.h3rperformance.com
Fire extinguishers and related components -
Hagan Street Rod Necessities
http://www.haganauto.com/
Street rod accessories -
Hamburger’s Performance
http://www.hamburgersperformance.com
Performance oil pans, valve covers and TBI spacers -
HANS Performance Products
http://hansdevice.com/Home.html
Head and neck restraint systems -
Hard Blok
http://www.hardblok.com
Engine block filler -
Harwood
http://www.eharwood.com
Fiberglass hoods, hood scoops, body parts and fuel cells -
Hastings Manufacturing
http://www.hastingsmfg.com
Performance piston rings and related components -
Hawk Performance
http://www.hawkperformance.com
Race and street brake pads -
Hays
https://www.holley.com/brands/hays/
Clutches, pressure plates and flywheels -
Hedman Hedders
http://www.hedman.com
Headers and accessories -
Heidt’s Rod Shop
http://www.heidts.com
Street rod suspension components -
Helix
http://www.thehoffmangroup.com/helix/
Special Order Only – Street rod chassis parts -
Hellwig
http://www.hellwigproducts.com
Anti-sway bars and helper springs -
Hepfner Racing Products
http://www.hrpracing.com
Sprint car wings and accessories -
Hi-Lift Jack
http://www.hi-lift.com
Jacks and off road accessories -
High Velocity Heads
http://www.highvelocityheads.com/
Intake Spacers -
Hilborn Fuel Injection
http://www.hilborninjection.com
Fuel injection units -
Hitachi Automotive Products
http://www.hitachi-automotive.us/index.h…
Performance starters -
HJC Motorsports
http://www.hjc-motorsports.com
Motorsports helmets and accessories -
Holley Performance Products
http://www.holley.com
Carburetors, manifolds and accessories -
Hooker Harness
http://www.hookerharness.com/
Seatbelts and safety harnesses -
Hooker Headers
https://www.holley.com/brands/hooker/
Headers and accessories -
Hoosier Tires
http://www.hoosiertire.com
D.O.T. tires and slicks -
Hot Products Engineering
http://www.hotproductsengineering.com
Engine pre-heater and related components -
Hotchkis Sport Suspension
http://www.hotchkis.net
Suspension components/swaybars -
Howards Racing Components
http://www.howardscams.com/
Cranks, rods, camshafts, and valve train components -
Howe Racing Enterprises
http://www.howeracing.com
Radiators, circle track components -
Hughes Performance
http://www.hughesperformance.com
Performance transmissions and torque converters -
Hurst
http://www.hurst-shifters.com
Shifters and accessories -
HushMat
http://www.hushmat.com
Sound deadening materials -
Husky Liners
http://www.huskyliners.com
Trucks/Suv floor & cargo area liners -
Hyperco
http://www.hypercoils.com
Conventional and coil-over springs -
Hypertech
http://www.hypertech-inc.com
Computer chips and programmers