Strengthen the bottom end of your engine - PRW Billet Steel Main Caps raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. We know that when you receive your new PRW performance components, you will have no trouble seeing what the excitement is all about. PRW Billet Steel Main Caps offer excellent strength at a reasonable cost. They're made from precision-machined high strength steel, which has the proper balance of strength and flexibility to allow transfer of increased shock loads to the crank and bearings. These main bearing caps will improve your engine performance and reliability by eliminating main cap walk and reducing main bearing bore distortion.
- CNC Machined
- Manufactured from 1045 Billet Steel
- CAD Engineering and CNC Machined
- Manufactured from 1045 low carbon steel
- Stabilizes the entire crankshaft rotating assembly
Weight: 8.35 lb
PRW - Main Caps, Billet Steel, 4 Ea - 1739001
Vehicle fitment
Estimated fitment — verify before purchase| Years | Make | Model | Trim |
|---|---|---|---|
| 1957–1959 | Ford | Ranchero | |
| 1957–1960 | Ford | Courier Sedan Delivery | |
| 1957–1976 | Ford | F-100 | |
| 1957–1976 | Ford | F-250 | |
| 1957–1976 | Ford | F-350 | |
| 1958 | Edsel | Bermuda | |
| 1958 | Edsel | Citation | |
| 1958 | Edsel | Pacer | |
| 1958 | Edsel | Roundup | |
| 1958 | Ford | Del Rio Wagon | |
| 1958–1959 | Edsel | Corsair | |
| 1958–1959 | Ford | Club | |
| 1958–1959 | Ford | Skyliner | |
| 1958–1960 | Edsel | Ranger | |
| 1958–1960 | Edsel | Villager | |
| 1958–1960 | Ford | Custom 300 | |
| 1958–1960 | Ford | Sunliner | |
| 1958–1960 | Ford | Victoria | |
| 1958–1966 | Ford | Fairlane | |
| 1958–1968 | Ford | Thunderbird | |
| 1958–1971 | Ford | Country Sedan | |
| 1958–1971 | Ford | Country Squire | |
| 1958–1971 | Ford | Ranch Wagon | |
| 1959–1967 | Ford | Galaxie | |
| 1960 | Ford | Starliner | |
| 1961 | Mercury | Monterey | |
| 1961–1963 | Mercury | Meteor | Base |
| 1961–1968 | Mercury | Commuter | |
| 1961–1971 | Mercury | Colony Park | |
| 1962 | Mercury | Monterey | Base |
| 1962 | Mercury | Monterey | Custom S-55 |
| 1962–1971 | Ford | Galaxie 500 | |
| 1963 | Ford | 300 | |
| 1963 | Mercury | Country Cruiser | |
| 1963–1966 | Mercury | Marauder | |
| 1963–1970 | Mercury | Monterey | |
| 1964–1965 | Mercury | Comet | Base |
| 1964–1967 | Ford | GT40 | |
| 1964–1967 | Mercury | Caliente | |
| 1964–1967 | Mercury | Villager | |
| 1964–1968 | Mercury | Montclair | |
| 1964–1968 | Mercury | Park Lane | |
| 1964–1970 | Mercury | Cyclone | |
| 1964–1971 | Ford | Custom | |
| 1964–1971 | Ford | Custom 500 | |
| 1965–1971 | Ford | LTD | |
| 1966 | Ford | Ranchero | Base |
| 1966–1967 | Mercury | Capri | |
| 1966–1967 | Mercury | Voyager | |
| 1966–1969 | Mercury | Comet | |
| 1967 | Ford | Fairlane | Base |
| 1967 | Mercury | Brougham | |
| 1967–1968 | Mercury | Cougar | |
| 1967–1968 | Mercury | Marquis | |
| 1967–1969 | Ford | Ranchero | |
| 1967–1970 | Ford | Mustang | Base |
| 1967–1970 | Ford | Mustang | Shelby GT-500 |
| 1968 | Ford | Mustang | Shelby GT-500KR |
| 1968 | Ford | Torino | |
| 1968–1969 | Mercury | Montego | |
| 1968–1970 | Ford | Fairlane | |
| 1969 | Ford | GT40 | |
| 1969 | Ford | Torino | Cobra |
| 1969 | Mercury | Marquis | Base |
| 1969–1970 | Ford | Torino | Base |
| 1969–1970 | Ford | Torino | GT |
| 1969–1970 | Ford | Torino | Squire |
| 1969–1970 | Mercury | Cougar | Base |
| 1969–1970 | Mercury | Cougar | Cobra Jet |
| 1969–1970 | Mercury | Cougar | XR-7 |
| 1969–1970 | Mercury | Marauder | |
| 1970 | Ford | Mustang | Grande |
| 1970 | Ford | Mustang | Mach 1 |
| 1970 | Ford | Torino | Brougham |
| 1970 | Mercury | Marquis | |
| 1975–1976 | Ford | F-150 |
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | PRW |
| Part number | PRW1739001 |
| Category | Engine & Driveline |
| Years | Make | Model |
|---|---|---|
| 1957–1959 | Ford | Ranchero |
| 1957–1960 | Ford | Courier Sedan Delivery |
| 1957–1976 | Ford | F-100 |
| 1957–1976 | Ford | F-250 |
| 1957–1976 | Ford | F-350 |
| 1958–1958 | Edsel | Bermuda |
| 1958–1958 | Edsel | Citation |
| 1958–1958 | Edsel | Pacer |
| 1958–1958 | Edsel | Roundup |
| 1958–1958 | Ford | Del Rio Wagon |
| 1958–1959 | Edsel | Corsair |
| 1958–1959 | Ford | Club |
| 1958–1959 | Ford | Skyliner |
| 1958–1960 | Edsel | Ranger |
| 1958–1960 | Edsel | Villager |
| 1958–1960 | Ford | Custom 300 |
| 1958–1960 | Ford | Sunliner |
| 1958–1960 | Ford | Victoria |
| 1958–1966 | Ford | Fairlane |
| 1958–1968 | Ford | Thunderbird |
| 1958–1971 | Ford | Country Sedan |
| 1958–1971 | Ford | Country Squire |
| 1958–1971 | Ford | Ranch Wagon |
| 1959–1967 | Ford | Galaxie |
| 1960–1960 | Ford | Starliner |
| 1961–1961 | Mercury | Monterey |
| 1961–1963 | Mercury | Meteor |
| 1961–1968 | Mercury | Commuter |
| 1961–1971 | Mercury | Colony Park |
| 1962–1962 | Mercury | Monterey |
| 1962–1971 | Ford | Galaxie 500 |
| 1963–1963 | Ford | 300 |
| 1963–1963 | Mercury | Country Cruiser |
| 1963–1966 | Mercury | Marauder |
| 1963–1970 | Mercury | Monterey |
| 1964–1965 | Mercury | Comet |
| 1964–1967 | Ford | GT40 |
| 1964–1967 | Mercury | Caliente |
| 1964–1967 | Mercury | Villager |
| 1964–1968 | Mercury | Montclair |
| 1964–1968 | Mercury | Park Lane |
| 1964–1970 | Mercury | Cyclone |
| 1964–1971 | Ford | Custom |
| 1964–1971 | Ford | Custom 500 |
| 1965–1971 | Ford | LTD |
| 1966–1966 | Ford | Ranchero |
| 1966–1967 | Mercury | Capri |
| 1966–1967 | Mercury | Voyager |
| 1966–1969 | Mercury | Comet |
| 1967–1967 | Ford | Fairlane |
| 1967–1967 | Mercury | Brougham |
| 1967–1968 | Mercury | Cougar |
| 1967–1968 | Mercury | Marquis |
| 1967–1969 | Ford | Ranchero |
| 1967–1970 | Ford | Mustang |
| 1968–1968 | Ford | Mustang |
| 1968–1968 | Ford | Torino |
| 1968–1969 | Mercury | Montego |
| 1968–1970 | Ford | Fairlane |
| 1969–1969 | Ford | GT40 |
| 1969–1969 | Ford | Torino |
| 1969–1969 | Mercury | Marquis |
| 1969–1970 | Ford | Torino |
| 1969–1970 | Mercury | Cougar |
| 1969–1970 | Mercury | Marauder |
| 1970–1970 | Ford | Mustang |
| 1970–1970 | Ford | Torino |
| 1970–1970 | Mercury | Marquis |
| 1975–1976 | Ford | F-150 |

Worth adding
Useful in any truck — ships separately in its own box.
Related parts
More in Engine Internals.
Reviews
Verified customer reviews.











