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Supertech BMW N54 Turbo 3.0L Inconel Exhaust Valve- Set of 12 - BMEVI-1055S-HS-12

$741.98

Supertech Nissan RB26DET 24V Dual Valve Spring Kit - SPRK-M1007D-RB

$765.68

Supertech 02-07 Mini Cooper 1.6L Dual Valve Spring Kit - SPRK-TS1015-MC

$630.57

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU4

$585.42

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB25

$777.19

Supertech Mitsubishi 4G63 Series Exhaust Valve Guide 6.6mm Stem - Set of 8 - GDE-MI66-E-8

Special Price $62.92 Regular Price $69.60

Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16 - SPR-H1022D-16

$267.81

Supertech Audi 1.8T Manganese Bronze Intake & Exhaust Oversize Valve Guide - Set of 10 - GDE-AU18T-OS-10

Special Price $81.24 Regular Price $101.52

Supertech BMW N/S55 SS Black Nitride Intake Valve - Set of 12 (Use w/Locks KPR-5.0/7S) - BMIVN-1055S-12

$348.42

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU1

$585.42

Supertech Nissan SR20DET Single Valve Spring Kit - SPRK-H1021S-SR20

$447.16

Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM

$944.30