PAC Racing 300 Series Valve Spring Retainers PAC-R378

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Part Number: RSC-PAC-R378

$5.99

VALVE SPRING
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PAC Racing 300 Series Valve Spring Retainers PAC-R378

PAC Racing 300 Series Valve Spring Retainers PAC-R378

RSC-PAC-R378

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Part Number: RSC-PAC-R378

Estimated Ship Date from OH, TX: Tomorrow

$5.99

Estimated Ship Date from OH, TX: Tomorrow Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
PAC-R378
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-R378
Outside Diameter of Outer Spring (in.):
1.460 in.
Retainer Material:
Chromoly steel
Lock Style:
10 degree
Valve Spring Style:
Standard
Retainer Style:
Standard
Number of Springs Per Valve:
Single
Outside Diameter of Middle Spring (in.):
1.072 in.
Inside Diameter of Inner Spring (in.):
0.963 in.
Locks Included:
No
Quantity:
Sold individually.
Notes:
For use with PAC-1900 springs.

PAC Racing 300 Series Valve Spring Retainers

Expected motor life has increased greatly through the years, but anything with moving parts is susceptible to wear and will eventually need rebuilt. PAC Racing 300 Series valve spring retainers are made from 4140 aerospace grade chromoly steel, making them an excellent choice for stock to slightly modified rebuilds. PAC does their own in-house manufacturing, allowing them to build strength into these units. They are heat-treated for solid wear characteristics and to raise the tensile strength, and for a rust-free finish, they apply black oxide coatings. Into every engine a little work must go; make certain you use the right parts for your stock to slightly modified build with PAC Racing 300 Series valve spring retainers.

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