HOL-20-242BK Holley Big Block Chevy Mid-Mount Complete Accessory System
Big Block Chevy Mid-Mount Complete Accessory System- Black Finish
Features
- LT1 style premium alternator
- Available in natural and black finishes
- The Mid-Mount complete accessory system has all accessories pulled in tighter than other accessory drives.
- Bracketless accessory mounting with ultra-easy assembly
- O-ring seal to engine
- Hidden thermostat bypass and heater hose ports with NPT line adapters included
- LT1 style water pump design
- Billet alternator, tensioner, and compressor pulley covers
- Compact SD7 A/C compressor with line adapter included
- Type II power steering pump with baffled reservoir
- P/S adapter hardline to AN -6 adapter included
- OE pulley ratios for optimal accessory performance
Product Video – YouTube
The water pump design incorporates optional side or top heater ports. The top thermostat bypass and heater ports are recessed into the manifold. So if you don’t need them, you don’t see them!
Holley’s Mid-Mount accessory drives are now available for your big block Chevrolet engines! The revolutionary system does what no other accessory bracket system has done… GETS RID OF THE BRACKETS!
The Mid-Mount complete accessory system has all accessories pulled in tighter than other accessory drives. At the heart of the system is a “bracketless” design, where the accessories bolt directly to the water pump for a clean, integrated form. The design offers superb engine visibility to show off your horsepower, not your accessories. The Holley designed alternator is just as innovative. This premium alternator utilizes 6-phase technology as found on the C7 Corvette. The water pump also shares its design efficiencies with that of the C7 Corvette. The compact and reliable SD7 A/C compressor and Type II P/S pump with baffled reservoir are also integrated.
When we say “complete”, we mean complete. The Mid-mount system comes with everything you need. All accessories are included; the water pump, A/C compressor, Alternator, and P/S pump with reservoir. All pulleys and the belt are supplied. Even A/C line adapter, heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness are included. Easy assembly was a priority during the entire development of this accessory solution. Color graphical instructions walk you through every step of the ultra-easy installation.
Patent – www.holley.com/patents/
Attributes:
| Power Steering Pulley Included | Yes |
| Power Steering Pump Included | Yes |
| Power Steering Reservoir Included | Yes |
| Product Type | Accessory Drive Kits |
| Pulley Style | Serpentine |
| Thermostat Included | No |
| Warranty | Manufacturer’s Limited 90 Day Warranty |
| Water Neck Included | Yes |
| Water Pump Included | Yes |
| Sub Category | Accessory Drive Belt System Components |
| Material | Cast Aluminum |
| Inlet Size | 35.4mm/1.4″ |
| Output | 150 Amps |
| part type | Accessory Drive Belt Kit |
| Power Steering Hardline Included | Yes |
| A/C Compressor Included | Yes |
| A/C Compressor Type | SD7 |
| Accessory Drive Style | Mid-Mount |
| Alternator Amperage | 150 |
| Alternator Included | Yes |
| Tensioner Included | Yes |
| Application | Chevrolet Big Block |
| Belt Included | Yes |
| Brand | Holley |
| Category | Belts and Cooling |
| Choose Your Part | Accessory Drive Kits |
| Damper Included | No |
| Damper Style | Factory |
| Water Pump Pulley Included | Yes |
| Emission Code | 5 |
| Engine | Chevy Big Block V8 |
| Finish | Black |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | Bel Air | 1963 to 1975 |
| Chevrolet | Biscayne | 1963 to 1972 |
| Chevrolet | Blazer | 1973 to 1974 |
| Chevrolet | Brookwood | 1969 to 1972 |
| Chevrolet | C10 Pickup | 1968 to 1974 |
| Chevrolet | C10 Suburban | 1968 to 1980 |
| Chevrolet | C10 | 1975 to 1980 |
| Chevrolet | C20 Pickup | 1968 to 1974 |
| Chevrolet | C20 Suburban | 1968 to 1986 |
| Chevrolet | C20 | 1975 to 1986 |
| Chevrolet | C30 Pickup | 1968 to 1974 |
| Chevrolet | C30 | 1975 to 1986 |
| Chevrolet | Camaro | 1967 to 1972 |
| Chevrolet | Caprice | 1966 to 1976 |
| Chevrolet | Chevelle | 1965 to 1973 |
| Chevrolet | Chevy II | 1968 to 1968 |
| Chevrolet | Corvette | 1965 to 1974 |
| Chevrolet | El Camino | 1966 to 1975 |
| Chevrolet | Estate | 1969 to 1970 |
| Chevrolet | G10 Van | 1973 to 1974 |
| Chevrolet | G20 Van | 1973 to 1974 |
| Chevrolet | G20 | 1976 to 1976 |
| Chevrolet | G30 Van | 1973 to 1974 |
| Chevrolet | G30 | 1975 to 1976 |
| Chevrolet | Impala | 1963 to 1976 |
| Chevrolet | K10 Pickup | 1968 to 1974 |
| Chevrolet | K10 Suburban | 1968 to 1974 |
| Chevrolet | K10 | 1976 to 1980 |
| Chevrolet | K20 Pickup | 1968 to 1974 |
| Chevrolet | K20 Suburban | 1968 to 1985 |
| Chevrolet | K20 | 1976 to 1980 |
| Chevrolet | K30 Pickup | 1968 to 1974 |
| Chevrolet | K30 | 1977 to 1986 |
| Chevrolet | K5 Blazer | 1976 to 1978 |
| Chevrolet | Kingswood | 1969 to 1972 |
| Chevrolet | Laguna | 1973 to 1975 |
| Chevrolet | Malibu | 1965 to 1975 |
| Chevrolet | Monte Carlo | 1970 to 1975 |
| Chevrolet | Nova | 1969 to 1972 |
| Chevrolet | P10 Van | 1973 to 1973 |
| Chevrolet | P20 Van | 1970 to 1973 |
| Chevrolet | P30 Van | 1970 to 1974 |
| Chevrolet | P30 | 1981 to 1982 |
| Chevrolet | R30 | 1987 to 1988 |
| Chevrolet | R3500 | 1989 to 1989 |
| Chevrolet | Townsman | 1969 to 1972 |
| Chevrolet | V30 | 1987 to 1988 |
| Chevrolet | V3500 | 1989 to 1989 |
| GMC | C15 Suburban | 1975 to 1978 |
| GMC | C15/C1500 Pickup | 1968 to 1974 |
| GMC | C15/C1500 Suburban | 1968 to 1974 |
| GMC | C1500 Suburban | 1979 to 1980 |
| GMC | C1500 | 1979 to 1980 |
| GMC | C15 | 1975 to 1978 |
| GMC | C25 Suburban | 1975 to 1978 |
| GMC | C25/C2500 Pickup | 1968 to 1974 |
| GMC | C25/C2500 Suburban | 1968 to 1974 |
| GMC | C2500 Suburban | 1979 to 1986 |
| GMC | C2500 | 1979 to 1986 |
| GMC | C25 | 1975 to 1978 |
| GMC | C35/C3500 Pickup | 1968 to 1974 |
| GMC | C3500 | 1979 to 1989 |
| GMC | C35 | 1975 to 1978 |
| GMC | G25 | 1975 to 1976 |
| GMC | G35 | 1976 to 1976 |
| GMC | Jimmy | 1973 to 1976 |
| GMC | K15/K1500 Pickup | 1968 to 1974 |
| GMC | K15/K1500 Suburban | 1968 to 1974 |
| GMC | K1500 | 1980 to 1980 |
| GMC | K15 | 1976 to 1976 |
| GMC | K25 Suburban | 1976 to 1977 |
| GMC | K25/K2500 Pickup | 1968 to 1974 |
| GMC | K25/K2500 Suburban | 1968 to 1974 |
| GMC | K25 | 1976 to 1978 |
| GMC | K35/K3500 Pickup | 1968 to 1974 |
| GMC | K3500 | 1979 to 1986 |
| GMC | P1500 | 1979 to 1979 |
| GMC | P25/P2500 Van | 1970 to 1971 |
| GMC | P35/P3500 Van | 1970 to 1974 |
| GMC | R3500 | 1987 to 1987 |
| GMC | Sprint | 1971 to 1975 |
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