K
K&N Filters [KNE]
http://www.knfilters.com
Reusable performance air filters, air injection kits
K-Motion [KMO]
http://www.kmotion.biz/springsintro.htm
Valve springs, locks and retainers
K1 Technologies [K1T]
http://www.k1technologies.com
High performance connecting rods and crankshafts
KB Carburetors [KBC]
http://www.kbcarburetors.com
Racing Carburetors and related components
KB Performance Pistons [KBP]
http://www.kb-silvolite.com
Performance pistons
KC Hi-Lites [KCH]
http://www.kchilites.com
Fog, driving and competition lights
Keep It Clean [KIC]
http://www.keepitcleanwiring.com/
Wiring harnesses and wiring accessories
Keizer Aluminum Wheels [KAW]
http://www.keizerwheels.com
Aluminum wheels
Kendall Oil [KEN]
http://www.conocophillipslubricants.com/…
High performance oil and lubricants
King Engine Bearings [KEB]
http://www.kingbearings.com
Engine bearings
King Racing Products [KRP]
http://www.kingracingproducts.com
High quality sprint car racing components
Kinser Air Filters [KNS]
http://www.kinser-airfilters.com/Home.ht…
High performance foam air filters and assemblies
Kinsler Fuel Injection [KIN]
http://www.kinsler.com
Fuel injection components
Kirkey Racing Fabrication [KIR]
http://www.kirkeyracing.com
Drag and circle track aluminum seats
Kluhsman Racing Components [KLU]
http://www.krcracing.com
Oval track racing components
Koni [KON]
http://www.koni-na.com/
Performance shocks
Kooks Headers & Exhaust [KOK]
http://www.kooksheaders.com
Performance exhaust products
Kool Mat [KOO]
http://www.koolmat.com
Heat barrier
KRC Power Steering [KRC]
http://www.krcpower.com
Power steering components
Krylon [SHE]
http://www.krylon.com
Paints, primers and related coating products
KSE Racing Products [KSE]
http://www.kse-racing.com
Power steering pumps and sprint car products
Kwik Change Products [KCP]
No web site listed
Tire pressure relief valves and accessories
KYB Shocks [KYB]
http://www.kyb.com
Shocks and struts