Loading... Please wait...


Become a member

3/8" Positive IN & EX Seals, Viton SB Chrysler, 318/360, 1988-1991, 3/8" X .640", VSS-275

  • Image 1
  • Image 2
Calculated at checkout

Product Description

16 Positive Seals for intake and exhaust, BLUE VITON

CHRYSLER VALVE SEALS, 3/8", Fixed Body Seals, 1988-1991 318/360

Includes a total quantity of 16 seals.

Note- Will not fit 92 up 318/360 Magnum engines w/ 5/16" stem valves


We offer several different types of valve seals for small block Chrysler engines.

Chrysler used a few different types of seals starting in the 60's to the early 90's.

This type of seal was used in the late eighties to early ninties engines which used 3/8" Stem valves until 92 where Chrysler started using smaller stem valves.

88-91 engines used all sixteen fixed body seals on both, intake and exhaust. See the picture above for details.

Purchase these seals of you want 16 as shown in the pictures.

The stock guides should measure around .640"

Note- Applications with aftermarket dual springs might not accept umbrella seals. Check the sizes to verify fitment.


     Specification Data:

  • Fits: 3/8" valve stems used on SB & BB Chrysler engines.
  • Seals should fit guide diameter between- .640"-.650"
  • Outside diameter: .797"
  • Height: .670”
  • Inside Diameter is ribbed, ribs- .635", groove- .670". This seal may fit a wider range of guide diameters
  • Seal Material: VITON
  • Material Temp Rating: 450F
  • Seal Type: Fixed Body, also known as metal clad seals.
  • Number of seals included in purchase: Sixteen- all the same.
  • Chrysler Applications, 318, 360 1988-1991 w/ 3/8" stem valves.
  • Valve seal protector sleeve included? NO- 3/8" currently not available.



Need a different seal? Check our other categories and if you can’t find what you’re looking for, contact us.

All our seals are available in bulk packs of 200 or more. Write for details.

Add to Wish List

Click the button below to add the 3/8" Positive IN & EX Seals, Viton SB Chrysler, 318/360, 1988-1991, 3/8" X .640", VSS-275 to your wish list.

You Recently Viewed...