Stainless Steel 21-4N, Oversize 31.9mm (+0.5mm)
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
High performance valve springs. 84lb@ 37mm, 157lb @ 10mm
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
Replacement exhaust valve
This product was last offered at the strikethrough price on
05-02-2026
Replacement exhaust valve
Replacement Exhaust valve from TRW
Sold individually.
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
07-20-2026
High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
This product was last offered at the strikethrough price on
05-02-2026
(36 mm) (7 mm Stem)
Stainless Steel 21-4N, Standard Size 31.40mm
This product was last offered at the strikethrough price on
06-08-2026
Replacement exhaust valve
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
07-20-2026