Rebuilt performance engines that are great for the street to track level
Engine if not in stock here or at S4S will take 60-90 days to build, ETA on site is estimate
Brand:
ES#:
4880962
Mfg#:
18SSCE
SET OF 16 - BEEHIVE STYLE
Aftermarket performance intake and exhaust valve springs for your high revving N12,N14,N16, and N18 engine
Brand:
ES#:
3173627
Mfg#:
SPR-MC56BE
$261.99 USD
Free Shipping
Lifetime Replacement
Rebuilt performance engines that are great for the street to track level, Does not come with a painted block. You will have to paint it on your own.
Engine if not in stock here or at S4S will take 30-45 days to build, ETA on site is estimate
Brand:
ES#:
4880960
Mfg#:
18SCE
High Strength ARP head studs
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2992265
Mfg#:
2014304
$227.99 USD
Free Shipping
Lifetime Replacement
For repair or changing valves in the cylinder head
Brand:
ES#:
3477962
Mfg#:
VSI-MIN-R56KT
$34.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Performance Hardware to secure the head to the engine block
Brand:
ES#:
4920110
Mfg#:
56HSK
$199.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Black nitride coated, inconel, sodium filled, single groove exhaust valve. 110.15mm Head Diam: 26.20mm(std)
Brand:
ES#:
3129194
Mfg#:
MCEVI-1200-HS
$67.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated performance retainers that are more durible
Brand:
ES#:
3173567
Mfg#:
RET-MC56/T1KT
$319.99 USD
Free Shipping
Lifetime Replacement
For repair or changing valves in the cylinder head
Brand:
ES#:
3477961
Mfg#:
VSI-MIN-R56
$2.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head : Manganese Bronze Metal
Brand:
ES#:
3173556
Mfg#:
GDEMINR56STDKT
$136.99 USD
Free Shipping
Lifetime Replacement
Upgraded main studs for performance engine builds, 9MM
Brand:
ES#:
4818355
Mfg#:
R56MSK
$159.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head
Brand:
ES#:
4461092
Mfg#:
260387040
$6.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head
Brand:
ES#:
4461097
Mfg#:
260387040KT
$109.99
This product was last offered at the strikethrough price on
$97.99 USD
Free Shipping
Lifetime Replacement
High strength ARP main stud kit for the N12/N14/N16/N18 engines
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3034860
Mfg#:
201-5401
$251.99 USD
Free Shipping
Lifetime Replacement
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 : Manganese Bronze Metal : +0.038mm - .0015")
Brand:
ES#:
4668317
Mfg#:
GDE-MIN-R56-0SKT
$167.99 USD
Free Shipping
Lifetime Replacement
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.
