Aftermarket performance intake and exhaust valve springs for your high revving B46/B48 engine
Brand:
ES#:
3623816
Mfg#:
SPRK-MCB48
$721.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 28.5 (std)
Brand:
ES#:
3623075
Mfg#:
MCEVI-1400S-HS
Limited Qty Sale
$56.99
This product was last offered at the strikethrough price on
$51.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
High strength ARP Head stud kit for the B48 engines
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5396068
Mfg#:
201-4704
$263.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Uprated valve guides used in the cylinder head : Manganese Bronze Metal
Brand:
ES#:
4733450
Mfg#:
GDE-BMB48-E6
$10.99 USD
Free Shipping
on orders $49 and up
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
Two required per valve, necessary for use with certain supertech valves
Brand:
ES#:
3129150
Mfg#:
KPR-5.0/7S
$3.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
For repair or changing valves in the cylinder head
Brand:
ES#:
3623930
Mfg#:
VSI-BM60-E
$2.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
For repair or changing valves in the cylinder head
Brand:
ES#:
3623927
Mfg#:
VSI-BM50-I
$1.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
For repair or changing valves in the cylinder head
Brand:
ES#:
3623929
Mfg#:
VSI-BM50-IKT
$14.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
For repair or changing valves in the cylinder head
Brand:
ES#:
3623931
Mfg#:
VSI-BM60-EKT
$16.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Black nitride coated, single groove intake valve. 99.50mm. 30.10 (std)
Brand:
ES#:
3623073
Mfg#:
MCIVN-1400S
$26.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
High strength ARP Head stud kit for the B48 engines
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5396066
Mfg#:
401-4704
Limited Qty Sale
$588.99
This product was last offered at the strikethrough price on
$529.99 USD
Free Shipping
on orders $49 and up
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#:
5434091
Mfg#:
B48SCE
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#:
5434093
Mfg#:
B48SSCE
Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 29.5 (+1)
Brand:
ES#:
4733436
Mfg#:
MCEVI-1401S-HS
$71.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Black nitride coated, inconel, solid (no sodium), single groove exhaust valve. 100.1mm 28.5 (std)
Brand:
ES#:
4733576
Mfg#:
MCEVI-1400S
$45.99 USD
Free Shipping
on orders $49 and up
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
