Shopping Cart

Your cart is empty.

Your cart is empty.

COMP Cams 521-16 Set of 16 Metal Body Viton Valve Seals for .500' Guide Size, 3/8' Valve Stem

4.7 (2) Write Review
Free shipping on orders over $29.99

$21.95

$ 10 .99 $10.99

In Stock

About this item

  • Competition Cams a trusted industry leader
  • Country of origin : United States
  • Designed for good performance
  • Part number: 521-16


Competition Cams a trusted industry leader. Backed by manufacturer's warranty. Designed for good performance.


Knucklebusted
2025-03-13 18:15:03
My heads were machined to accept these better seals than what comes on them stock. They are well made and so far they are working as expected on my freshly rebuilt engine.
Pinky
2024-11-22 15:23:38
NO SMOKE
Recommended Products
MAHLE SS46108 Engine Valve Stem Oil Seal Set

$47.11

$ 22 .99 $22.99

4.9
Select Option
FEL-PRO SS 72939 Valve Stem Seal Set

$34.45

$ 15 .99 $15.99

4.4
Select Option
Intake and Exhaust Engine Valve Stem Oil Seal Set Compatible With Chevrolet Equinox 2.4L L4 2016 2015 2014 2013 2012 2011 2010 P-2711556

$27.11

$ 12 .99 $12.99

4.5
Select Option
FEL-PRO SS 72623 Valve Stem Seal Set

$20.88

$ 8 .99 $8.99

4.9
Select Option
FEL-PRO SS 72629 Valve Stem Seal Set

$23.67

$ 9 .99 $9.99

4.5
Select Option
FEL-PRO SS 72914 Valve Stem Seal Set

$26.08

$ 11 .99 $11.99

4.7
Select Option
Honda / Acura B-Series VTEC Valve Stem Seal Kit

$24.00

$ 10 .99 $10.99

4.9
Select Option
FEL-PRO SS 71268 Valve Stem Seal Set

$32.92

$ 14 .99 $14.99

4.9
Select Option