Aftermarket performance intake and exhaust valve springs for your high revving B46/B48 engine
Aftermarket performance intake and exhaust valve springs for your high revving B46/B48 engine
High strength ARP Head stud kit for the B48 engines
Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 28.5 (std)
Two required per valve, necessary for use with certain supertech valves
Uprated valve guides used in the cylinder head : Manganese Bronze Metal
For repair or changing valves in the cylinder head
For repair or changing valves in the cylinder head
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-04-2026
For repair or changing valves in the cylinder head
Two required per valve, necessary for use with certain supertech valves
This product was last offered at the strikethrough price on
08-24-2026
For repair or changing valves in the cylinder head
Black nitride coated, single groove intake valve. 99.50mm. 30.10 (std)
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
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
High strength ARP main stud kit for the B48 engines
Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 29.5 (+1)
Black nitride coated, inconel, solid (no sodium), single groove exhaust valve. 100.1mm 28.5 (std)