SKU: 17593555625

Comp Cams CS 278XO-6

$142.62 $158.47
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USA
  • USA
  • CAN

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Description

Comp Cams CS 278XO-6278XOS Solid Lifter Solid 1 4 3 8 Tight. 327 358 cid. 11: 1+. 2bbl with good intake & exhaust. Chevrolet 262 400 c. i. 8 cyl. 1955 1998 OVAL TRACK Xtreme Oval Solids These camshafts use COMP's new XTQ intake profiles with the XTX exhaust profiles for more area under the curve than most good . 875 lifter designs, while still allowing standard . 842 lifters. Specification RPM Range: 3000 to 6800 Valve Timing: 0. 02 Lobe Separation: 106 Intake

  • 278XOS
  • Solid Lifter
  • Solid-1/4-3/8 Tight. 327-358 cid. 11:1+. 2bbl with good intake & exhaust.
  • Chevrolet 262-400 c.i. 8 cyl. 1955-1998
  • OVAL TRACK-Xtreme Oval Solids - These camshafts use COMP's new XTQ intake profiles with the XTX exhaust profiles for more area under the curve than most good .875 lifter designs, while still allowing standard .842 lifters.


Specification

  • RPM Range: 3000 to 6800
  • Valve Timing: 0.02
  • Lobe Separation: 106°
  • Intake Centerline:106°


Intake/ Exhaust

  • Valve Lash : 0.016, 0.018
  • Duration: 290, 300
  • Duration @ .050" Lift:248, 250
  • Valve Lift:0.531, 0.525
  • Lobe Lift: 0.354, 0.35


Vehicle Fitments:

Year Make Model Submodel
1995 - 1996 AM General Hummer Base
1980 - 1991 Avanti II Base
1985 Avanti II GT
1980 Buick Century Limited, Sport, Estate, Base
1991 - 1996 Buick Commercial Chassis Base
1980 Buick Regal Sport, Base, Limited
1991 - 1995 Buick Roadmaster Estate Wagon
1996 Buick Roadmaster Estate Wagon Collector's Edition, Limited Collector's Edition, Collector's Edition
1992 - 1995 Buick Roadmaster Limited, Base
1990 - 1992 Cadillac Brougham Base, d'Elegance
1992 - 1996 Cadillac Commercial Chassis Brougham, Base
1993 - 1996 Cadillac Fleetwood Brougham, Base
1980 - 1982 Checker Marathon Deluxe, Base
1994 Chevrolet Blazer Base, Silverado Sport
1992 - 1993 Chevrolet Blazer Cheyenne
1987 Chevrolet Blazer Custom Deluxe
1991 - 1994 Chevrolet Blazer Nevada
1988 - 1991 Chevrolet Blazer Scottsdale
1987 - 1994 Chevrolet Blazer Silverado
1980 - 1981 Chevrolet C10 Cheyenne
1980 Chevrolet C10 Custom Deluxe, Big Ten
1981 Chevrolet C10 Deluxe
1980 - 1986 Chevrolet C10 Silverado, Scottsdale, Custom
1981 - 1986 Chevrolet C10 Suburban Custom
1980 Chevrolet C10 Suburban Custom Deluxe
1981 Chevrolet C10 Suburban Deluxe
1980 - 1986 Chevrolet C10 Suburban Scottsdale, Silverado
1990 - 1993 Chevrolet C1500 454 SS
1989 - 1995 Chevrolet C1500 Base
1988 - 1992 Chevrolet C1500 Scottsdale
1988 - 1995 Chevrolet C1500 Silverado, Cheyenne
1990 - 1995 Chevrolet C1500 WT
1992 - 1995 Chevrolet C1500 Suburban Base
1995 Chevrolet C1500 Suburban LS, LT
1992 - 1994 Chevrolet C1500 Suburban Silverado
1986 Chevrolet C20 Base
1980 - 1986 Chevrolet C20 Cheyenne, Scottsdale, Silverado
1981 - 1986 Chevrolet C20 Custom
1980 Chevrolet C20 Custom Deluxe
1981 Chevrolet C20 Deluxe
1981 - 1986 Chevrolet C20 Suburban Custom
1980 Chevrolet C20 Suburban Custom Deluxe
1981 Chevrolet C20 Suburban Deluxe
1980 - 1986 Chevrolet C20 Suburban Scottsdale, Silverado
1993 Chevrolet C2500 400 SS, Custom
1988 - 1995 Chevrolet C2500 Base, Silverado, Cheyenne
1988 - 1992 Chevrolet C2500 Scottsdale
1994 - 1995 Chevrolet C2500 WT
1992 - 1995 Chevrolet C2500 Suburban Base
1995 Chevrolet C2500 Suburban LS, LT
1992 - 1994 Chevrolet C2500 Suburban Silverado
1980 - 1982 Chevrolet C30 Base
1980 - 1981 Chevrolet C30 Cheyenne
1981 - 1986 Chevrolet C30 Custom
1980 Chevrolet C30 Custom Deluxe
1981 Chevrolet C30 Deluxe
1980 - 1986 Chevrolet C30 Scottsdale, Silverado
1994 - 1995 Chevrolet C3500 Base
1988 - 1992 Chevrolet C3500 Scottsdale
1988 - 1995 Chevrolet C3500 Silverado, Cheyenne
1980 Chevrolet Camaro Base, Rally Sport
1985 - 1986 Chevrolet Camaro Iroc-Z
1981 - 1986 Chevrolet Camaro Sport
1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car
1980 - 1986 Chevrolet Camaro Z28, Berlinetta
1980 - 1992 Chevrolet Caprice Base
1980 - 1996 Chevrolet Caprice Classic
1986 - 1990 Chevrolet Caprice Classic Brougham
1981 - 1982 Chevrolet Caprice Classic Estate
1980 - 1981 Chevrolet Caprice Classic Landau
1993 - 1994 Chevrolet Caprice Classic LS
1987 - 1990 Chevrolet Caprice Classic LS Brougham
1991 - 1993 Chevrolet Caprice Classic LTZ
1980 Chevrolet Caprice Classic Sport
1991 - 1994 Chevrolet Commercial Chassis Base
1980 - 1986 Chevrolet Corvette Base
1982 Chevrolet Corvette Collector's Edition
1986 Chevrolet Corvette Indianapolis 500 Pace Car
1981 - 1986 Chevrolet El Camino Conquista
1980 - 1981 Chevrolet El Camino Royal Knight
1980 - 1987 Chevrolet El Camino SS, Base
1996 Chevrolet Express 2500 Base, LS
1983 Chevrolet G10 Base
1981 - 1987 Chevrolet G10 Bonaventure
1980 - 1995 Chevrolet G10 Chevy Van, Beauville, Sportvan
1995 Chevrolet G20 Base
1983 - 1984 Chevrolet G20 Bonaventure
1980 - 1995 Chevrolet G20 Chevy Van, Beauville, Sportvan
1980 - 1981 Chevrolet G20 Nomad
1980 - 1996 Chevrolet G30 Beauville, Hi-Cube, Sportvan, Chevy Van
1983 - 1984 Chevrolet G30 Bonaventure
1980 - 1985 Chevrolet Impala Base
1981 - 1982 Chevrolet Impala Estate
1980 Chevrolet Impala Sport
1994 - 1996 Chevrolet Impala SS
1980 - 1981 Chevrolet K10 Cheyenne
1981 - 1986 Chevrolet K10 Custom
1980 Chevrolet K10 Custom Deluxe
1981 Chevrolet K10 Deluxe
1980 - 1986 Chevrolet K10 Scottsdale, Silverado
1981 - 1986 Chevrolet K10 Suburban Custom
1980 Chevrolet K10 Suburban Custom Deluxe
1981 Chevrolet K10 Suburban Deluxe
1980 - 1986 Chevrolet K10 Suburban Scottsdale, Silverado
1994 - 1995 Chevrolet K1500 Base
1988 - 1995 Chevrolet K1500 Cheyenne, Silverado
1988 - 1992 Chevrolet K1500 Scottsdale
1991 Chevrolet K1500 Sport
1990 - 1995 Chevrolet K1500 WT
1992 - 1995 Chevrolet K1500 Suburban Base
1995 Chevrolet K1500 Suburban LT, LS
1992 - 1994 Chevrolet K1500 Suburban Silverado
1980 - 1981 Chevrolet K20 Cheyenne
1981 - 1986 Chevrolet K20 Custom
1980 Chevrolet K20 Custom Deluxe
1981 Chevrolet K20 Deluxe
1980 - 1986 Chevrolet K20 Silverado, Scottsdale
1981 - 1986 Chevrolet K20 Suburban Custom
1980 Chevrolet K20 Suburban Custom Deluxe
1981 Chevrolet K20 Suburban Deluxe
1980 - 1986 Chevrolet K20 Suburban Silverado, Scottsdale
1988 - 1992 Chevrolet K2500 Scottsdale
1988 - 1995 Chevrolet K2500 Silverado, Cheyenne
1994 - 1995 Chevrolet K2500 WT, Base
1992 - 1995 Chevrolet K2500 Suburban Base
1995 Chevrolet K2500 Suburban LS, LT
1992 - 1994 Chevrolet K2500 Suburban Silverado
1980 - 1981 Chevrolet K30 Cheyenne
1981 - 1986 Chevrolet K30 Custom
1980 Chevrolet K30 Custom Deluxe
1981 Chevrolet K30 Deluxe
1980 - 1986 Chevrolet K30 Silverado, Scottsdale
1994 - 1995 Chevrolet K3500 Base
1988 - 1995 Chevrolet K3500 Cheyenne, Silverado
1988 - 1992 Chevrolet K3500 Scottsdale
1981 - 1986 Chevrolet K5 Blazer Custom
1980 Chevrolet K5 Blazer Custom Deluxe, Cheyenne
1981 Chevrolet K5 Blazer Deluxe
1984 Chevrolet K5 Blazer Scottsdale
1980 - 1986 Chevrolet K5 Blazer Silverado
1980 - 1981 Chevrolet Malibu Base, Classic Landau
1980 - 1983 Chevrolet Malibu Classic
1980 Chevrolet Malibu Classic Sport, Classic Estate, Sport, Estate
1981 - 1988 Chevrolet Monte Carlo Base
1983 Chevrolet Monte Carlo CL
1980 - 1981 Chevrolet Monte Carlo Landau
1986 - 1988 Chevrolet Monte Carlo LS
1980 Chevrolet Monte Carlo Sport
1983 - 1988 Chevrolet Monte Carlo SS
1980 - 1989 Chevrolet P20 Step-Van, Base
1980 - 1996 Chevrolet P30 Base
1980 - 1990 Chevrolet P30 Step-Van
1987 Chevrolet R10 Scottsdale, Silverado, Custom Deluxe
1987 Chevrolet R10 Suburban Custom Deluxe
1987 - 1988 Chevrolet R10 Suburban Scottsdale, Silverado
1989 - 1991 Chevrolet R1500 Suburban Silverado, Scottsdale
1988 Chevrolet R20 Cheyenne
1987 - 1988 Chevrolet R20 Silverado, Scottsdale, Custom Deluxe
1987 Chevrolet R20 Suburban Custom Deluxe
1987 - 1988 Chevrolet R20 Suburban Scottsdale, Silverado
1989 Chevrolet R2500 Scottsdale, Cheyenne, Silverado
1989 - 1991 Chevrolet R2500 Suburban Scottsdale, Silverado
1988 Chevrolet R30 Cheyenne
1987 - 1988 Chevrolet R30 Custom Deluxe, Silverado, Scottsdale
1989 - 1991 Chevrolet R3500 Cheyenne, Silverado
1989 - 1990 Chevrolet R3500 Scottsdale
1995 Chevrolet Tahoe Base, LT, LS
1987 Chevrolet V10 Custom Deluxe, Silverado, Scottsdale
1987 Chevrolet V10 Suburban Custom Deluxe
1987 - 1988 Chevrolet V10 Suburban Scottsdale, Silverado
1989 - 1991 Chevrolet V1500 Suburban Scottsdale, Silverado
1987 Chevrolet V20 Silverado, Scottsdale, Custom Deluxe
1987 Chevrolet V20 Suburban Custom Deluxe
1987 - 1988 Chevrolet V20 Suburban Scottsdale, Silverado
1989 - 1991 Chevrolet V2500 Suburban Silverado, Scottsdale
1988 Chevrolet V30 Cheyenne
1987 - 1988 Chevrolet V30 Scottsdale, Silverado, Custom Deluxe
1989 - 1991 Chevrolet V3500 Cheyenne, Silverado
1989 - 1990 Chevrolet V3500 Scottsdale
1993 Excalibur Limited Base
1985 Excalibur Phaeton Anniversary
1980 - 1989 Excalibur Phaeton Base
1980 - 1986 GMC C1500 Base, Sierra Classic, High Sierra
1980 GMC C1500 Heavy Half
1980 - 1982 GMC C1500 Sierra Grande, Street Coupe
1994 - 1995 GMC C1500 Sierra SL, Sierra SLT, Sierra Special
1988 - 1995 GMC C1500 Sierra SLE
1988 - 1993 GMC C1500 Sierra SLX, Sierra
1980 - 1995 GMC C1500 Suburban Base
1980 - 1986 GMC C1500 Suburban Sierra Classic, High Sierra
1980 - 1982 GMC C1500 Suburban Sierra Grande
1992 - 1995 GMC C1500 Suburban SLE
1995 GMC C1500 Suburban SLT
1980 - 1986 GMC C2500 High Sierra, Base, Sierra Classic
1980 - 1982 GMC C2500 Sierra Grande
1988 - 1995 GMC C2500 Sierra SLE
1994 - 1995 GMC C2500 Sierra SLT, Sierra SL
1988 - 1993 GMC C2500 Sierra, Sierra SLX
1980 - 1995 GMC C2500 Suburban Base
1980 - 1986 GMC C2500 Suburban High Sierra, Sierra Classic
1980 - 1982 GMC C2500 Suburban Sierra Grande
1992 - 1995 GMC C2500 Suburban SLE
1995 GMC C2500 Suburban SLT
1980 - 1986 GMC C3500 Sierra Classic, High Sierra, Base
1980 - 1982 GMC C3500 Sierra Grande
1988 - 1995 GMC C3500 Sierra SLE
1994 - 1995 GMC C3500 Sierra SLT, Sierra SL
1988 - 1993 GMC C3500 Sierra SLX, Sierra
1981 - 1986 GMC Caballero Amarillo
1980 - 1987 GMC Caballero Base, Diablo
1981 GMC Caballero Conquista, Royal Knight
1980 GMC Caballero Laredo
1983 - 1984 GMC G1500 Rally Custom
1980 - 1995 GMC G1500 Rally STX, Vandura, Rally
1983 - 1984 GMC G2500 Rally Custom
1980 - 1995 GMC G2500 Vandura, Rally, Rally STX
1981 - 1988 GMC G3500 Rally Custom
1980 - 1996 GMC G3500 Vandura Special, Magnavan, Rally Camper Special, Rally STX, Rally, Vandura
1980 - 1991 GMC Jimmy Base
1980 - 1985 GMC Jimmy High Sierra
1980 - 1990 GMC Jimmy Sierra Classic
1986 GMC Jimmy Silverado
1980 - 1982 GMC Jimmy Street Coupe, Sierra Grande
1980 - 1986 GMC K1500 Base, Sierra Classic, High Sierra
1980 - 1982 GMC K1500 Sierra Grande
1988 - 1995 GMC K1500 Sierra SLE
1995 GMC K1500 Sierra SLS
1994 - 1995 GMC K1500 Sierra SLT, Sierra Special, Sierra SL
1988 - 1993 GMC K1500 Sierra SLX, Sierra
1993 GMC K1500 Sierra Sport
1980 - 1995 GMC K1500 Suburban Base
1980 - 1986 GMC K1500 Suburban High Sierra, Sierra Classic
1980 - 1982 GMC K1500 Suburban Sierra Grande
1992 - 1995 GMC K1500 Suburban SLE
1995 GMC K1500 Suburban SLT
1980 - 1986 GMC K2500 High Sierra, Base, Sierra Classic
1980 - 1982 GMC K2500 Sierra Grande
1988 - 1995 GMC K2500 Sierra SLE
1994 - 1995 GMC K2500 Sierra SLT, Sierra SL
1988 - 1993 GMC K2500 Sierra SLX, Sierra
1980 - 1995 GMC K2500 Suburban Base
1980 - 1986 GMC K2500 Suburban High Sierra, Sierra Classic
1980 - 1982 GMC K2500 Suburban Sierra Grande
1992 - 1995 GMC K2500 Suburban SLE
1995 GMC K2500 Suburban SLT
1980 - 1986 GMC K3500 High Sierra, Sierra Classic, Base
1980 - 1982 GMC K3500 Sierra Grande
1994 - 1995 GMC K3500 Sierra SL, Sierra SLT
1988 - 1995 GMC K3500 Sierra SLE
1988 - 1993 GMC K3500 Sierra SLX, Sierra
1980 - 1989 GMC P2500 Value Van, Base
1980 - 1996 GMC P3500 Base
1980 - 1990 GMC P3500 Value Van
1987 GMC R1500 High Sierra, Sierra Classic, Base
1987 - 1991 GMC R1500 Suburban Base
1987 GMC R1500 Suburban High Sierra
1987 - 1989 GMC R1500 Suburban Sierra Classic
1990 GMC R1500 Suburban SLE
1987 - 1989 GMC R2500 Sierra Classic, Base, High Sierra
1987 - 1991 GMC R2500 Suburban Base
1987 GMC R2500 Suburban High Sierra
1987 - 1989 GMC R2500 Suburban Sierra Classic
1990 GMC R2500 Suburban SLE
1987 - 1991 GMC R3500 Base
1987 - 1989 GMC R3500 Sierra Classic, High Sierra
1990 - 1991 GMC R3500 SLE
1987 GMC V1500 Sierra Classic, High Sierra, Base
1987 - 1991 GMC V1500 Suburban Base
1987 GMC V1500 Suburban High Sierra
1987 - 1989 GMC V1500 Suburban Sierra Classic
1990 GMC V1500 Suburban SLE
1987 GMC V2500 Base, High Sierra, Sierra Classic
1987 - 1991 GMC V2500 Suburban Base
1987 GMC V2500 Suburban High Sierra
1987 - 1989 GMC V2500 Suburban Sierra Classic
1990 GMC V2500 Suburban SLE
1987 - 1991 GMC V3500 Base
1987 - 1989 GMC V3500 High Sierra, Sierra Classic
1990 - 1991 GMC V3500 SLE
1993 GMC Yukon GT
1992 - 1995 GMC Yukon SLE, Base
1995 GMC Yukon SLT
1992 - 1994 GMC Yukon Sport
1991 - 1992 Oldsmobile Custom Cruiser Base
1980 Oldsmobile Cutlass LS, Base, Brougham
1980 Oldsmobile Cutlass Calais Base
1980 - 1982 Oldsmobile Cutlass Cruiser Base
1980 Oldsmobile Cutlass Cruiser Brougham
1980 Oldsmobile Cutlass Salon Brougham, Base
1980 Oldsmobile Cutlass Supreme Brougham, Base
1983 - 1986 Pontiac Bonneville Brougham, Base
1984 - 1986 Pontiac Bonneville LE
1980 - 2002 Pontiac Firebird Base, Trans Am, Formula
1980 - 1981 Pontiac Firebird Esprit
1982 - 1986 Pontiac Firebird S/E
1994 Pontiac Firebird Trans Am GT
1989 - 1992 Pontiac Firebird Trans Am GTA
1989 Pontiac Firebird Trans Am GTA SE
1980 Pontiac Grand Am Base
1980 Pontiac Grand LeMans LE, Safari, Base
1980 - 1987 Pontiac Grand Prix Base
1983 - 1987 Pontiac Grand Prix Brougham
1984 - 1987 Pontiac Grand Prix LE
1980 - 1983 Pontiac Grand Prix LJ
1980 Pontiac Grand Prix SJ
1980 Pontiac LeMans Base, Safari
1983 - 1986 Pontiac Parisienne Brougham, Base
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17593555625

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4.1 ★★★★★
Based on 7 reviews
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Product Reviews
C
Verified Purchase
Corey
Dallas, US
★★★★★ 5
Amazing Quality & Price
Color: Black Band and Blue Face, Color: Black Band and Blue Face
Exactly as described. It looks absolutely stunning in person. It's very lightweight. Adjustable metal band with tool for ejecting the pins and band pieces. Movement around my wrist feels great and not pinching my arm hairs. Extremely easy to use and set up. Fits perfectly after making some minor adjustments on the band. Battery life promise of 10 years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
G
Verified Purchase
Gustavo Salinas
Omaha, US
★★★★★ 5
Not bad for a watch under 50 bucks
Color: G2856-all silver, Color: G2856-all silver
Im not sure what material this watch is made of but the band doesn’t sound weird, it doesn’t feel like a very solid watch but it really looks fancy and nice i really like it a lot,plus lets be realistic you can have high expectations for 40 bucks, is the first one I bought from this brand, I would like to buy yhe automatic one that is around 150 but i want to try the cheapest one first and see if i like it or not, so far im happy i will update in some time to see how’s holding up
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
K
Verified Purchase
Karol
Lake Worth, US
★★★★★ 4
Elegant and affordable—exceeds expectations.
Color: Black Band and Blue Face
⭐⭐⭐⭐☆ (4/5) A very elegant watch offering excellent value for money. The blue design with gold accents looks modern and eye-catching—ideal for any occasion. The materials feel high-quality, and it keeps time with good precision. As a minor note, some of the sub-dials are decorative, and the strap can be a bit tricky to adjust. Overall, a very good purchase for the price. 👍
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
L
Verified Purchase
Liz
Carnegie, US
★★★★★ 5
Beautiful watch, brilliant specs, recipient thrilled!
Color: Gold Silver Band and Blue Face
I was looking for an affordable watch for my son as a graduation gift and this is a BEAUTIFUL watch! Quartz movement and stainless steel and he is over the moon! Stunning.
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Reviewed in the United States on May 30, 2026
A
Verified Purchase
AshU2010
Louisville, US
★★★★★ 5
Got water in the face just a few weeks after purchase
Color: Gold Silver Band and White Face, Color: Gold Silver Band and White Face
UPDATE: After leaving this review OLEVS Amazon customer service contacted me. I was given a full refund for the watch. Much better customer service!!!! The watch is heavy enough and looks nice but a few weeks after having it water got in the face of it. Contacted OLEVS and they basically told me they couldn’t help me since I didn’t buy it from their official site. They don’t offer support for Amazon purchases. Of course it is past the Amazon return window.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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