SKU: 18578379112

Comp Cams Xtreme Marine,XM298H Jet Boat w/ A or B Impeller,High Performance Use

Sale price$342.00 Regular price$380.00
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Description

Comp Cams Xtreme Marine,XM298H Jet Boat w/ A or B Impeller,High Performance UseXtreme Marine", XM298H Jet Boat w A or B Impeller, High Performance Use Hydraulic: Good for jet boat with A or B impeller. Good in Bracket racing and high performance use. Specifications Lifter Type: Hydraulic Lifter Engine Family: Ford 429, 460 c. i. 8 CYL. 1968 1994 Cam Family: Xtreme Marine" Hydraulic Flat Tappet Camshafts RPM Range: 2200 to 6500 Valve Timing: 0. 006 Lobe Separation: 112 Intake Centerline: 110 Valve Lash: Hyd.(Intake) Hyd.(Exhaust)

Xtreme Marine", XM298H Jet Boat w/ A or B Impeller, High Performance Use

Hydraulic: Good for jet boat with A or B impeller. Good in Bracket racing and high performance use.

Specifications

Lifter Type: Hydraulic Lifter

Engine Family: Ford 429, 460 c.i. 8 CYL. 1968-1994

Cam Family: Xtreme Marine" Hydraulic Flat Tappet Camshafts

RPM Range: 2200 to 6500

Valve Timing: 0.006

Lobe Separation: 112°

Intake Centerline: 110°

Valve Lash: Hyd.(Intake)/Hyd.(Exhaust)

Duration: 298(Intake)/ 316(Exhaust)

Duration @ .050" Lift: 254(Intake)/ 264(Exhaust)

Valve Lift: 0.585(Intake)/ 0.588(Exhaust)

Lobe Lift: 0.338(Intake)/ 0.34(Exhaust)



Vehicle Fitments:

Year Make Model Submodel
1969 - 1974 Ford Country Sedan Base
1969 - 1974 Ford Country Squire Base
1969 - 1972 Ford Custom Base
1969 - 1976 Ford Custom 500 Base
1975 - 1976 Ford Custom 500 Ranch Wagon
1975 - 1976 Ford Elite Base
1975 - 1979 Ford F-100 Custom, Base, Ranger XLT, Ranger
1975 - 1977 Ford F-100 Northland
1979 Ford F-100 Ranger Lariat
1977 Ford F-100 XLT
1976 - 1978 Ford F-150 Base
1975 - 1978 Ford F-150 Northland
1978 - 1979 Ford F-150 Ranger Lariat
1975 - 1979 Ford F-150 Ranger, Custom, Ranger XLT
1977 Ford F-150 XLT
1976 - 1986 Ford F-250 Base
1975 - 1978 Ford F-250 Northland
1978 - 1979 Ford F-250 Ranger Lariat
1975 - 1979 Ford F-250 Ranger XLT
1975 - 1994 Ford F-250 Ranger, Custom
1983 - 1994 Ford F-250 XL
1983 Ford F-250 XLS
1977 - 1994 Ford F-250 XLT
1985 - 1992 Ford F-250 XLT Lariat
1975 - 1994 Ford F-350 Base
1975 - 1992 Ford F-350 Custom
1975 - 1978 Ford F-350 Northland
1978 - 1979 Ford F-350 Ranger Lariat
1975 - 1979 Ford F-350 Ranger XLT, Ranger
1983 - 1994 Ford F-350 XL
1983 Ford F-350 XLS
1977 - 1994 Ford F-350 XLT
1985 - 1992 Ford F-350 XLT Lariat
1970 Ford Fairlane 500
1969 - 1974 Ford Galaxie 500 Base
1969 - 1970 Ford Galaxie 500 XL
1973 - 1976 Ford Gran Torino Brougham
1974 - 1975 Ford Gran Torino Elite
1972 - 1975 Ford Gran Torino Sport
1972 - 1976 Ford Gran Torino Squire, Base
1969 - 1978 Ford LTD Base
1970 - 1976 Ford LTD Brougham
1975 - 1978 Ford LTD Landau, Country Squire
1969 - 1971 Ford Mustang Boss 302, Base
1971 Ford Mustang Boss 351
1970 - 1971 Ford Mustang Mach 1, Grande
1969 - 1970 Ford Mustang Shelby GT-350, Boss 429, Shelby GT-500
1969 - 1974 Ford Ranch Wagon Base
1970 Ford Ranch Wagon Police Cruiser
1970 - 1971 Ford Ranchero Base
1970 - 1977 Ford Ranchero GT, Squire, 500
1968 - 1976 Ford Thunderbird Base
1971 Ford Torino 500
1970 - 1976 Ford Torino Base
1970 - 1971 Ford Torino Super Cobra Jet, Squire, Brougham, Cobra, GT
1968 - 1978 Lincoln Continental Base
1968 - 1971 Lincoln Mark III Base
1972 - 1976 Lincoln Mark IV Base
1977 - 1978 Lincoln Mark V Base
1969 - 1974 Mercury Colony Park Base
1970 - 1974 Mercury Cougar Base
1970 Mercury Cougar Boss 429
1970 - 1971 Mercury Cougar Cobra Jet, Boss 302
1970 - 1976 Mercury Cougar XR-7
1970 - 1971 Mercury Cyclone Base, GT, Spoiler
1975 - 1978 Mercury Grand Marquis Base
1969 - 1970 Mercury Marauder X-100, Base
1969 - 1978 Mercury Marquis Brougham, Base
1975 - 1976 Mercury Marquis Colony Park
1970 - 1976 Mercury Montego Base, MX, MX Brougham
1975 Mercury Montego Brougham
1972 - 1973 Mercury Montego GT
1976 Mercury Montego MX Villager
1970 - 1975 Mercury Montego Villager
1969 - 1974 Mercury Monterey Custom, Base
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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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]
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SKU: 18578379112

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4.4 ★★★★★
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D
Verified Purchase
David C. Gilliam
Chelsea, US
★★★★★ 2
Can’t read numbers
Color: Gray/Gray/Digital
Numbers are too small to tread on a 44mm watch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
H
Verified Purchase
hal lifson
West Palm Beach, US
★★★★★ 5
Love the Timex Ironman Shock watches!!
Color: Black/Black/Digital
I really like the Timex Ironman Shock watches. They are very durable and reliable. Simple to use and modeled after the. Original Ironman watches of the late 80s and 90s. Buttons are clearly marked and easy to press. They used to make many colors of this Shock model of the watch inc a cool shiny red color my wife still has . I have been a runner many many years and at 65, am still out although a lot slower than my 20s. But Timex Ironman watches have. Been my constant companion on the roads and track for 35 years now.
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Reviewed in the United States on March 27, 2026
R
Verified Purchase
ricardo
Bozeman, US
★★★★★ 5
Really nice
Color: Black/Green/Digital
Really nice watch but remind you it’s a negative display not a positive but since I have a small wrist it fits perfect. And I love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
K
Verified Purchase
Kent Martin
Battle Creek, US
★★★★★ 1
Timex Watch Ironman is now junk.
Color: Black/Green/Digital
Timex Ironman watches are junk. They were once bullet proof but are just junk these days.
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Reviewed in the United States on April 7, 2026
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Exactly what my husband was looking for
Color: Black/Green/Digital
Works well as expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026

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