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Looking for quality performance parts at a fair price? We specialize in innovative diesel products for Dodge Cummins engines. From turbo kits, to intake plates, to conversion kits, we've shopped for the best values and/or fabricate our products here in the U.S.A. Whether for your daily driver, towing, or racing, check out what we have to offer, and check back for more offerings on the way. FREE SHIPPING to the lower 48 states/continental U.S. ONLY on orders over $100. Enter coupon code: FREESHIP in COUPON field at checkout, and hit APPLY. **COVID-19 - YES WE ARE OPEN AND SHIPPING!**


Crazy Carls Dual Intake Horn 94-98 Crazy Carls Dual Intake Horn 94-98

Promotes max flow to the head at both ends. Comes with dipstick mount and 2 NPT bungs. Made from heavy 409SS tubing and 304 Stainless flanges with 304SS bungs. Use with our dual intake plate for 94-98 12v.

Our Price: $325.00
Sale Price: $299.00
12V Billet Timing Front Cover 5.9L Pocketed fits Cummins 12V Billet Timing Front Cover 5.9L Pocketed fits Cummins

Pocketed 12 Valve Billet Timing Front Cover 5.9L for 94 and up Cummins 12V engines by Keating Machine

Our Price: $399.95
Black Friday $379.00
Crazy Carls "Twin" Turbo PIPING KIT Crazy Carls "Twin" Turbo PIPING KIT

One of the most complete, quality twin piping kits on the market at the best price. Made with quality 409 stainless steel piping, Tig Welded, powdercoating included. (See also our 2/3rds kits, and our Complete Kit which offers both turbos at deep discounts!)

Our Price: $1,300.00
Crazy Carls Exhaust Manifold Studs and Nuts Crazy Carls Exhaust Manifold Studs and Nuts

Use these studs instead of bolts on your aftermarket exhaust manifold. We paired 12 steel alloy studs with 12 stainless steel nuts to prevent galling.

Our Price: $48.00
12 Valve BilletTiming Cover, 5.9L fits Cummins Black Pocketed 12 Valve BilletTiming Cover, 5.9L fits Cummins Black Pocketed

Black Pocketed 12 Valve Billet Timing Front Cover 5.9L for 94 and up Cummins 12V engines by Keating Machine

Our Price: $450.00
Crazy Carls Turbos 03-07 S300 2/3 Twin Turbo Kit w/475 Crazy Carls Turbos 03-07 S300 2/3 Twin Turbo Kit w/475

This is our 2/3 S300/S400 kit for 03-07 5.9 Dodge Cummins diesels. It makes adding a second turbo easy. Use your S300 3rd Gen T3 gated turbo and a 2nd gen manifold, and we supply the rest. These kits take the guess work out of selecting the right combo.

Our Price: $1,949.00