Welcome to KLM Performance

High Performance Diesel and Gas Parts for Cars, Trucks, UTVs, and Class 8 Vehicles!

Please feel free to call at 203-210-7200 or Contact Us if you have any questions or cannot find what you need. 

When you buy from KLM, you'll receive excellent customer service that aligns with the exacting standards of the brands we offer: FASS, AirDog, Crown Performance, Fluidampr, Vibratech, ARP, Borgeson Steering, Flex-A-lite, Fleetguard, Mopar, Walker Evans Racing, Baja Designs, and more.

Our vast selection of aftermarket accessories includes:

and much more!

Featured products

Walker Evans Racing Kawasaki Teryx Rear Piggy Back Coil Over Shock Kit

List Price: $1,120.00 Your Price: $887.00 You Save: $233.00 (21 %)

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Walker Evans Racing Polaris RZR-S Piggy Back Coil Over Shock Kit

List Price: $2,099.95 Your Price: $1,775.00 You Save: $324.95 (15 %)

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Mag-Hytec E4OD/4R100 Transmission Pan

List Price: $345.00 Your Price: $327.75 You Save: $17.25 (5 %)

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Rigid Industries 10611 6" E-Series Flood LED Light Bar

List Price: $299.99 Your Price: $254.99 You Save: $45.00 (15 %)

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Rigid Industries 11021 10" E-Series Spot LED Light Bar RDL10P

List Price: $399.99 Your Price: $339.99 You Save: $60.00 (15 %)

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Rigid Industries 13031 30" Spot/Flood Combo LED Light Bar

List Price: $999.99 Your Price: $949.99 You Save: $50.00 (5 %)

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Rigid Industries 12011 20" E-Series Flood LED Light Bar RGDL20E

List Price: $699.99 Your Price: $664.99 You Save: $35.00 (5 %)

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Rigid Industries 13011 30" E-Series Flood LED Light Bar RGDL30E

List Price: $999.99 Your Price: $949.99 You Save: $50.00 (5 %)

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Rigid Industries 15011 50" E-Series Flood LED Light Bar RGDL50E

List Price: $1,599.99 Your Price: $1,359.00 You Save: $240.99 (15 %)

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Walker Evans Racing Kawasaki Teryx Front Piggy Back Coil Over Shock Kit

List Price: $1,120.00 Your Price: $885.98 You Save: $234.02 (21 %)

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Walker Evans Racing Polaris RZR Front Piggy Back Coil Over Shock Kit

List Price: $1,120.00 Your Price: $887.97 You Save: $232.03 (21 %)

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Walker Evans Racing Polaris RZR Rear Piggy Back Coil Over Kit

List Price: $1,200.00 Your Price: $887.99 You Save: $312.01 (26 %)

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Rigid Industries 11096 E Series Light Cover White

List Price: $18.00 Your Price: $16.98 You Save: $1.02 (6 %)

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Rigid Industries 11093 E-Series Amber Cover

List Price: $18.00 Your Price: $16.98 You Save: $1.02 (6 %)

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Rigid Industries 20196 Dually Series Light Cover White

List Price: $14.00 Your Price: $9.98 You Save: $4.02 (29 %)

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TJM XGS 80 Series Land Cruiser 2 (50mm) Lift Coil Springs

List Price: $495.00 Your Price: $398.00 You Save: $97.00 (20 %)

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TJM XGS 80 Series Land Cruiser 2 (50mm) Front Lift Coil Springs

List Price: $495.00 Your Price: $225.00 You Save: $270.00 (55 %)

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Borgeson 000943 Dodge Steering Shaft

List Price: $248.00 Your Price: $215.59 You Save: $32.41 (13 %)

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Colt Cams The Big Stick High Performance Cummins Diesel Camshaft

List Price: $678.00 Your Price: $644.00 You Save: $34.00 (5 %)

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