COMP Cams Camshaft CBVI XR258HR-13

Marsoni

M251S

$200.47

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Camshaft CBVI XR258HR-13Hydraulic Roller Xtreme Energy Computer Controlled: Good replacement cam for minimally modified fuel injection engines.; 258 267 Advertised Duration, 206 212 Duration . 050", . 510" . 510" Lift, 113 Lobe Separation; Adjustable valve train required; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump; This Part Fits: Year Make Model Submodel 1996 1997,1999 2000 Chevrolet C2500 Base 1996 1998 Chevrolet C2500 Cheyenne 1999

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

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Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Charlottesville, US

★★★★★ 5

It's a spark plug

What i needwd

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Reviewed in the United States on May 27, 2026

Verified Purchase

Chelsea, US