Two required per valve, necessary for use with certain supertech valves
Brand:
ES#:
4734453
Mfg#:
KPR-5.0-7S-16
$60.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head Intake & Exhaust
Brand:
ES#:
3476592
Mfg#:
JM-SVGKT
$111.99 USD
Free Shipping
Lifetime Replacement
Black nitride coated, single groove intake valve. 95.00mm 29.8mm (std) N18 Engine
Brand:
ES#:
3129200
Mfg#:
MCIVN-1301S
$30.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head Intake & Exhaust
Brand:
ES#:
3469031
Mfg#:
JM-SVG
$6.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Two required per valve, necessary for use with certain supertech valves
Brand:
ES#:
3129150
Mfg#:
KPR-5.0/7S
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$4.99
This product was last offered at the strikethrough price on
$3.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head : Manganese Bronze Metal : +0.038mm - .0015")
Brand:
ES#:
4668316
Mfg#:
GDE-MIN-R56-0S
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on
$10.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Rebuilt performance engines that are great for the street to track level
Engine if not in stock here or at S4S will take Race engine 120-180 days to build, ETA on site is estimate
Brand:
ES#:
4880964
Mfg#:
18RCE
$11195.00 USD
More About Performance Cylinder Heads
Engines are just air pumps. How efficiently they can pump and how much they can pump determines how powerful they are. Upgrade cylinder head components to improve your engine's performance, like valves, valve springs, camshafts, rocker arms, and entire cylinder heads to unlock more power from your engine.
Lifetime Replacement
