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For Your Every Summer RSVP, with Code: SUMMER15
Description
Comp Cams Magnum, 305H: Cam & LiftersLifter Type: Hydraulic Lifter Engine Family: Chevrolet 396 454 c. i. 8 CYL. 1965 1996 Description: Hydraulic Limited street use or Bracket Racing. 10. 5: 1 compression, 3500+ stall or 4speed. 4. 10 or lower. Radical Idle. Cam Family: Magnum" Hydraulic Flat Tappet Camshafts Specification RPM Range: 3000 to 6800 Valve Timing: 0. 006 Lobe Separation: 110 Intake Centerline: 110 Valve Lash: Hyd. Intake Hyd. Exhaust Duration: 305 Intake 305 Exhaust Duration
Lifter Type: Hydraulic Lifter
Engine Family: Chevrolet 396-454 c.i. 8 CYL. 1965-1996
Description: Hydraulic-Limited street use or Bracket Racing. 10.5:1 compression, 3500+ stall or 4speed. 4.10 or lower. Radical Idle.
Cam Family: Magnum" Hydraulic Flat Tappet Camshafts
Specification
RPM Range: 3000 to 6800
Valve Timing: 0.006
Lobe Separation: 110°
Intake Centerline: 110°
Valve Lash: Hyd. Intake/Hyd. Exhaust
Duration: 305 Intake/305 Exhaust
Duration @ .050" Lift: 253 Intake/253 Exhaust
Valve Lift: 0.575 Intake/0.575 Exhaust
Lobe Lift: 0.339 Intake/0.339 Exhaust
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965 - 1975 | Chevrolet | Bel Air | Base |
| 1965 - 1972 | Chevrolet | Biscayne | Base |
| 1973 - 1974 | Chevrolet | Blazer | Base |
| 1969 - 1972 | Chevrolet | Brookwood | Base |
| 1978 - 1980 | Chevrolet | C10 | Big Ten |
| 1975 - 1980 | Chevrolet | C10 | Silverado, Scottsdale, Cheyenne, Custom, Custom Deluxe |
| 1968 - 1974 | Chevrolet | C10 Pickup | Base |
| 1968 - 1974 | Chevrolet | C10 Suburban | Base |
| 1975 - 1980 | Chevrolet | C10 Suburban | Scottsdale, Silverado, Custom Deluxe |
| 1990 - 1991 | Chevrolet | C1500 | Base |
| 1990 - 1992 | Chevrolet | C1500 | Scottsdale |
| 1990 - 1993 | Chevrolet | C1500 | WT, 454 SS, Silverado, Cheyenne |
| 1986 | Chevrolet | C20 | Base |
| 1981 - 1986 | Chevrolet | C20 | Custom |
| 1975 - 1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975 - 1986 | Chevrolet | C20 | Silverado, Cheyenne, Scottsdale |
| 1968 - 1974 | Chevrolet | C20 Pickup | Base |
| 1968 - 1974 | Chevrolet | C20 Suburban | Base |
| 1981 - 1986 | Chevrolet | C20 Suburban | Custom |
| 1975 - 1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975 - 1986 | Chevrolet | C20 Suburban | Scottsdale, Silverado |
| 1993 | Chevrolet | C2500 | 400 SS, Custom |
| 1991 - 1995 | Chevrolet | C2500 | Base, Cheyenne, Silverado |
| 1991 - 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 |
| 1975 - 1982 | Chevrolet | C30 | Base |
| 1975 - 1981 | Chevrolet | C30 | Cheyenne |
| 1981 - 1986 | Chevrolet | C30 | Custom |
| 1975 - 1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975 - 1986 | Chevrolet | C30 | Silverado, Scottsdale |
| 1968 - 1974 | Chevrolet | C30 Pickup | Base |
| 1994 - 1995 | Chevrolet | C3500 | Base |
| 1988 - 1995 | Chevrolet | C3500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | C3500 | Scottsdale |
| 1967 - 1972 | Chevrolet | Camaro | RS, Z28, SS, Base |
| 1966 - 1974 | Chevrolet | Caprice | Base |
| 1973 - 1976 | Chevrolet | Caprice | Classic |
| 1976 | Chevrolet | Caprice | Classic Landau, Classic Estate |
| 1975 - 1976 | Chevrolet | Caprice | Classic Sport |
| 1973 - 1974 | Chevrolet | Caprice | Estate |
| 1975 | Chevrolet | Caprice | Estate Wagon |
| 1967 - 1968 | Chevrolet | Chevelle | 300 |
| 1967 - 1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1967 - 1972 | Chevrolet | Chevelle | Concours |
| 1969 - 1972 | Chevrolet | Chevelle | Concours Estate, Greenbrier |
| 1965 - 1973 | Chevrolet | Chevelle | Deluxe |
| 1968 - 1972 | Chevrolet | Chevelle | Nomad, Malibu |
| 1965 - 1972 | Chevrolet | Chevelle | SS, Base |
| 1968 | Chevrolet | Chevy II | Nova |
| 1966 - 1974 | Chevrolet | Corvette | Base |
| 1966 - 1975 | Chevrolet | El Camino | Base |
| 1975 | Chevrolet | El Camino | Classic |
| 1968 - 1974 | Chevrolet | El Camino | Custom |
| 1968 - 1975 | Chevrolet | El Camino | SS |
| 1969 - 1970 | Chevrolet | Estate | Base |
| 1973 - 1974 | Chevrolet | G10 Van | Base, Sportvan |
| 1976 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan |
| 1973 - 1974 | Chevrolet | G20 Van | Base, Sportvan |
| 1975 - 1996 | Chevrolet | G30 | Chevy Van, Beauville, Sportvan, Hi-Cube |
| 1973 - 1974 | Chevrolet | G30 Van | Base, Sportvan |
| 1965 - 1976 | Chevrolet | Impala | Base |
| 1975 - 1976 | Chevrolet | Impala | Custom, Sport |
| 1976 | Chevrolet | Impala | S, Custom Landau |
| 1965 - 1967 | Chevrolet | Impala | SS |
| 1976 - 1980 | Chevrolet | K10 | Custom Deluxe, Cheyenne, Silverado, Scottsdale |
| 1968 - 1974 | Chevrolet | K10 Pickup | Base |
| 1968 - 1974 | Chevrolet | K10 Suburban | Base |
| 1976 - 1980 | Chevrolet | K20 | Custom Deluxe, Cheyenne, Scottsdale, Silverado |
| 1968 - 1974 | Chevrolet | K20 Pickup | Base |
| 1968 - 1974 | Chevrolet | K20 Suburban | Base |
| 1985 | Chevrolet | K20 Suburban | Scottsdale, Silverado, Custom |
| 1994 - 1995 | Chevrolet | K2500 | Base, WT |
| 1991 - 1995 | Chevrolet | K2500 | Cheyenne, Silverado |
| 1991 - 1992 | Chevrolet | K2500 | Scottsdale |
| 1992 - 1995 | Chevrolet | K2500 Suburban | Base |
| 1995 | Chevrolet | K2500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | K2500 Suburban | Silverado |
| 1977 - 1981 | Chevrolet | K30 | Cheyenne |
| 1981 - 1986 | Chevrolet | K30 | Custom |
| 1977 - 1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977 - 1986 | Chevrolet | K30 | Scottsdale, Silverado |
| 1968 - 1974 | Chevrolet | K30 Pickup | Base |
| 1994 - 1995 | Chevrolet | K3500 | Base |
| 1988 - 1995 | Chevrolet | K3500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | K3500 | Scottsdale |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1976 - 1978 | Chevrolet | K5 Blazer | Cheyenne |
| 1977 - 1978 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1978 | Chevrolet | K5 Blazer | Silverado |
| 1969 - 1972 | Chevrolet | Kingswood | Estate, Base |
| 1973 - 1975 | Chevrolet | Laguna | Base |
| 1973 | Chevrolet | Laguna | Estate |
| 1975 | Chevrolet | Laguna | S3 |
| 1974 | Chevrolet | Laguna | Type S-3 |
| 1966 - 1975 | Chevrolet | Malibu | Base |
| 1974 - 1975 | Chevrolet | Malibu | Classic |
| 1975 | Chevrolet | Malibu | Classic Estate |
| 1973 - 1974 | Chevrolet | Malibu | Estate |
| 1970 - 1974 | Chevrolet | Monte Carlo | Base |
| 1973 - 1974 | Chevrolet | Monte Carlo | Landau |
| 1973 - 1975 | Chevrolet | Monte Carlo | S |
| 1969 - 1972 | Chevrolet | Nova | Base |
| 1973 | Chevrolet | P10 Van | Base |
| 1976 - 1979 | Chevrolet | P20 | Base, Step-Van |
| 1970 - 1973 | Chevrolet | P20 Van | Base |
| 1975 - 1997 | Chevrolet | P30 | Base |
| 1975 - 1990 | Chevrolet | P30 | Step-Van |
| 1970 - 1974 | Chevrolet | P30 Van | Base |
| 1988 | Chevrolet | R20 | Cheyenne |
| 1987 - 1988 | Chevrolet | R20 | Silverado, Custom Deluxe, Scottsdale |
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | R20 Suburban | Silverado, Scottsdale |
| 1989 | Chevrolet | R2500 | Cheyenne, Scottsdale, Silverado |
| 1989 - 1991 | Chevrolet | R2500 Suburban | Silverado, Scottsdale |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987 - 1988 | Chevrolet | R30 | Scottsdale, Custom Deluxe, Silverado |
| 1989 - 1991 | Chevrolet | R3500 | Cheyenne, Silverado |
| 1989 - 1990 | Chevrolet | R3500 | Scottsdale |
| 1969 - 1972 | Chevrolet | Townsman | Base |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V20 Suburban | Scottsdale, Silverado |
| 1990 | Chevrolet | V2500 Suburban | Scottsdale, Silverado |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987 - 1988 | Chevrolet | V30 | Custom Deluxe, Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | V3500 | Cheyenne, Silverado |
| 1989 - 1990 | Chevrolet | V3500 | Scottsdale |
| 1972 - 1979 | Excalibur | Phaeton | Base |
| 1977 - 1978 | GMC | C15 | Heavy Half |
| 1977 | GMC | C15 | Indy Hauler |
| 1975 - 1978 | GMC | C15 | Sierra Grande, Base, Sierra Classic, High Sierra |
| 1978 | GMC | C15 | Street Coupe |
| 1975 - 1978 | GMC | C15 Suburban | High Sierra, Sierra Classic, Base, Sierra Grande |
| 1968 - 1974 | GMC | C15/C1500 Pickup | Base |
| 1968 - 1974 | GMC | C15/C1500 Suburban | Base |
| 1979 - 1980 | GMC | C1500 | High Sierra, Base, Sierra Classic, Sierra Grande, Street Coupe, Heavy Half |
| 1979 - 1980 | GMC | C1500 Suburban | Sierra Grande, High Sierra, Base, Sierra Classic |
| 1975 - 1978 | GMC | C25 | High Sierra, Sierra Classic, Sierra Grande, Base |
| 1975 - 1978 | GMC | C25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande |
| 1968 - 1974 | GMC | C25/C2500 Pickup | Base |
| 1968 - 1974 | GMC | C25/C2500 Suburban | Base |
| 1979 - 1986 | GMC | C2500 | Base, Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | C2500 | Sierra Grande |
| 1991 - 1996 | GMC | C2500 | Sierra SLE |
| 1994 - 1996 | GMC | C2500 | Sierra SLT, Sierra SL |
| 1991 - 1993 | GMC | C2500 | Sierra, Sierra SLX |
| 1979 - 1995 | GMC | C2500 Suburban | Base |
| 1979 - 1986 | GMC | C2500 Suburban | Sierra Classic, High Sierra |
| 1979 - 1982 | GMC | C2500 Suburban | Sierra Grande |
| 1992 - 1995 | GMC | C2500 Suburban | SLE |
| 1995 | GMC | C2500 Suburban | SLT |
| 1975 - 1978 | GMC | C35 | Sierra Grande, Sierra Classic, High Sierra, Base |
| 1968 - 1974 | GMC | C35/C3500 Pickup | Base |
| 1979 - 1986 | GMC | C3500 | Sierra Classic, High Sierra, Base |
| 1979 - 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 |
| 1975 - 1976 | GMC | G25 | Vandura, Rally, Rally STX |
| 1976 | GMC | G35 | Rally Camper Special, Vandura, Rally STX, Rally, Vandura Special, Magnavan |
| 1974 | GMC | G35/G3500 Van | Base |
| 1973 - 1974 | GMC | G35/G3500 Van | Vandura, Rally |
| 1988 | GMC | G3500 | Rally Custom |
| 1988 - 1996 | GMC | G3500 | Vandura Special, Magnavan, Rally, Vandura, Rally STX, Rally Camper Special |
| 1973 - 1976 | GMC | Jimmy | Base |
| 1976 | GMC | Jimmy | High Sierra, Sierra Classic, Sierra Grande |
| 1976 | GMC | K15 | Base, High Sierra, Sierra Grande, Sierra Classic |
| 1968 - 1974 | GMC | K15/K1500 Pickup | Base |
| 1968 - 1974 | GMC | K15/K1500 Suburban | Base |
| 1979 - 1980 | GMC | K1500 | Sierra Grande, High Sierra, Base, Sierra Classic |
| 1976 - 1978 | GMC | K25 | Sierra Grande, Base, High Sierra, Sierra Classic |
| 1976 - 1977 | GMC | K25 Suburban | High Sierra, Sierra Grande, Sierra Classic, Base |
| 1968 - 1974 | GMC | K25/K2500 Pickup | Base |
| 1968 - 1974 | GMC | K25/K2500 Suburban | Base |
| 1991 - 1995 | GMC | K2500 | Sierra SLE |
| 1994 - 1995 | GMC | K2500 | Sierra SLT, Sierra SL |
| 1991 - 1993 | GMC | K2500 | Sierra SLX, Sierra |
| 1992 - 1995 | GMC | K2500 Suburban | Base, SLE |
| 1995 | GMC | K2500 Suburban | SLT |
| 1968 - 1974 | GMC | K35/K3500 Pickup | Base |
| 1979 - 1986 | GMC | K3500 | Sierra Classic, High Sierra, Base |
| 1979 - 1982 | GMC | K3500 | Sierra Grande |
| 1988 - 1995 | GMC | K3500 | Sierra SLE |
| 1994 - 1995 | GMC | K3500 | Sierra SLT, Sierra SL |
| 1988 - 1993 | GMC | K3500 | Sierra, Sierra SLX |
| 1979 | GMC | P1500 | Value Van, Base |
| 1970 - 1971 | GMC | P25/P2500 Van | Base |
| 1975 - 1978 | GMC | P35 | Base, Value Van |
| 1970 - 1974 | GMC | P35/P3500 Van | Base |
| 1974 | GMC | P35/P3500 Van | Motorhome |
| 1979 - 1997 | GMC | P3500 | Base |
| 1979 - 1990 | GMC | P3500 | Value Van |
| 1987 - 1989 | GMC | R2500 | Base, High Sierra, Sierra Classic |
| 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 |
| 1971 - 1975 | GMC | Sprint | Base |
| 1972 - 1974 | GMC | Sprint | Custom |
| 1975 | GMC | Sprint | High Sierra, Classic, SP |
| 1987 - 1991 | GMC | V3500 | Base |
| 1987 - 1989 | GMC | V3500 | Sierra Classic, High Sierra |
| 1990 - 1991 | GMC | V3500 | SLE |
| 1969 - 1974 | Iso | Grifo | Base |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.0 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 2
Loose
Color: Black
Water tube fits to loose
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2024
★★★★★ 5
Great quality and price
Perfect fit. Received quicker than boat shop
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025
★★★★★ 5
Easy to install if you watch some online how to videos.
The water pump kit worked great on my 35 year old, 2 stroke, 100hp, Mercury Outboard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2025
★★★★★ 4
Very good shipped and received fast
Missing one bottom gasket. Maybe factor made changes from old style
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Reviewed in the United States on July 10, 2021
★★★★★ 5
Good impeller kit
Great kit for impeller alpha one gen two outdrive. The only thing that was missing is the instructions as a reference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 14, 2025