Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!
Pair Your High Performance Valves with a Set of Upgraded Springs and Retainers!
Upgrade Your Factory Intake and Exhaust Valves
Two required per valve, necessary for use with certain supertech valves
This product was last offered at the strikethrough price on
03-04-2026
Single Groove sodium filled exhaust valve set for high performance builds
Inconel-Nimonic / Sodium Filled, Std 28mm, set of 12.
Standard size. 30.1mm intake, 28.5mm exhaust.
Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12.
Stainless Steel 21-4N, Standard Size 31.40mm - Set of 12
Stainless Steel 21-4N, Oversize 31.9mm (+0.5mm)
Inconel-Nimonic / Sodium Filled, Std 28mm
This product was last offered at the strikethrough price on
05-02-2026
Two required per valve, necessary for use with certain supertech valves
Two required per valve, necessary for use with certain supertech valves
Stainless Steel 21-4N, Standard Size 31.40mm
This product was last offered at the strikethrough price on
06-08-2026
30.5x5.95x126.10mm/ SS/Blk. Nitrided/Stk.size
Single Groove sodium filled exhaust valves for high performance builds