Clevite P-Series Main Bearing - Standard - GM 4-Cylinder / Pontiac V8 CS-NITRO-HS 75" Balancer Bolt is grade

75" Balancer Bolt is grade 8 with a special HD 1/4" washer

while reducing the need for higher-octane gasoline

8-Bolt 14-71

Chevrolet: P30 75 - 95 5

Clevite P-Series Main Bearing - Standard - GM 4-Cylinder / Pontiac V8 CS-NITRO-HS 75" Balancer Bolt is gradeIdeal 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. Vehicle Applications: 1959 1978 Pontiac Bonneville 1959 1966 Pontiac Star Chief 1960 1975 Pontiac