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Clevite P-Series 1969-Up Small Block Chevy Main Bearings

SAME DAY SHIPPING! Order within the next 1 hour 39 minutes and receive same day shipping

Clevite P-Series 1969-Up Small Block Chevy Main Bearings

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What's in the Box

Not to be confused with standard "passenger" car bearings, Clevite's P-Series is their oldest line of premium high performance bearings. These sets are specifically for 302-305-327-350 S/B Chevy "Large Journal" engines built from 1969-Up (with 2.100" rod journal).

  • Use P-Series rod bearings where extremely high RPM’s cause severe rod bore close-in.
  • Use P-Series main bearings where higher eccentricity is desired to narrow bearing contact patterns and to provide increased oiling to rod bearings.

Note: Will not work with 400 c.i. V-8.

P-Series Features (Link)

Clevite Application Chart

Customer Reviews

Rated 5 out of 5 by 2 reviewers.
RATING BREAKDOWN
2 reviews
5 Stars
2
4 Stars
0
3 Stars
0
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1 Star
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RECOMMEND THIS PRODUCT:

Rod
Verified Purchaser
Verified Reviewer
Iowa

Clevite Quality, Speedway Service.

July 22, 2015
Exactly what you expect from Clevite.
Yes, I recommend this product.
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CHRISTINE
Verified Purchaser
OLNEY, TEXAS

I WOULD BUY IT AGAIN

March 23, 2012
RESTOREING A RACE MOTOR
Pros:
  • Easy To Install
  • Improves Engine Efficiency
  • Great product
  • Durable
Yes, I recommend this product.
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Clevite Engine Parts SH-1349S-STD H-Series S/B Chevy Cam Bearings
(Part #757CH1349)
                        Clevites H-Series was developed primarily for use in NASCAR type racing, but  they are suitable for all types of competition engines. 
  • Use H-series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
  • H-Series bearings should be used if contact patterns obtained with P-series parts are too narrow. Contact pattern should ideally cover 2/3 to 3/4 of the bearing surface.
  • If you arent sure which type of performance bearing to start with, the H-Series will be your best choice.

H-Series Features (Link)

Item Details

Standard Size
Clevite H-Series Small Block Chevy Main Bearings
(Part #757M909H)
                        

Clevite's H-Series was developed primarily for use in NASCAR type racing, but they are suitable for all types of competition engines. These sets are specifically for 1969-Up 302-305-327-350 S/B Chevy.

  • Use H-series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
  • H-Series bearings should be used if contact patterns obtained with P-series parts are too narrow. Contact pattern should ideally cover 2/3 to 3/4 of the bearing surface.
  • If you aren't sure which type of performance bearing to start with, the H-Series will be your best choice.

H-Series Features (Link)

Clevite H-Series 1969-Up Small Block Chevy Rod Bearings
(Part #757R663H)
                        Clevite's H-Series was developed primarily for use in NASCAR type racing, but  they are suitable for all types of competition engines. These sets are  specifically for 1969-Up 302-305-327-350 S/B Chevy "Large Journal" engine (with 2.100" rod  journals).
  • Use H-series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range.
  • H-Series bearings should be used if contact patterns obtained with P-series parts are too narrow. Contact pattern should ideally cover 2/3 to 3/4 of the bearing surface.
  • If you aren't sure which type of performance bearing to start with, the H-Series will be your best choice.
  • X001 has .001" extra bearing clearance

H-Series Features (Link)