1971 Pontiac Firebird Engine Crankshaft Main Bearing Set Parts
Choose your Engine for your 1971 Pontiac Firebird
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- Engine Crankshaft Main Bearing Set
- OE Replacement P Series (Tri-Metal) Standard
- Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it is a suitable upgrade from Bi-Metal engine bearings.
This Part Fits the Following OEM/Substitute Numbers:
4663M, MB557SI
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- OE Replacement P Series (Tri-Metal) .010in Undersize
- Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it is a suitable upgrade from Bi-Metal engine bearings.
This Part Fits the Following OEM/Substitute Numbers:
4663M10, MB557SI-010
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- High Performance H Series (Tri-Metal) Standard X - .001in Extra Oil Clearance
- Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
This Part Fits the Following OEM/Substitute Numbers:
139M1X
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- High Performance H Series (Tri-Metal) Standard
- Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
This Part Fits the Following OEM/Substitute Numbers:
139M
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- High Performance H Series (Tri-Metal) Standard X - .001in Extra Oil Clearance
- Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- OE Replacement P Series (Tri-Metal) .010in Undersize
- Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it is a suitable upgrade from Bi-Metal engine bearings.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- High Performance H Series (Tri-Metal) Standard
- Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
- Engine Crankshaft Main Bearing Set
- OE Replacement P Series (Tri-Metal) Standard
- Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it is a suitable upgrade from Bi-Metal engine bearings.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1971 - Pontiac Firebird | V | 5733 | 8 Cyl 5.7L | 350 |
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