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Supertech Nissan VR30DDTT 333.5x5.47x101mm Black Nitrided Intake Valve - Set of 12 - NIVN-1070-12

$323.76

Supertech Ford Duratec 2.0L/2.3L 89.5mm 28.5mm CH - 2cc Dome 12:1 CR Piston - Set of 4 (Excl Rings) - P4-DU8950-N2

$598.88

Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16 - SPR-H1021D-16

$250.27

Supertech Honda B-Series Dual Valve Spring Kit (Set of 16) - SPRK-H100DR-ST

$409.62

Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1022D

$566.32

Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H200DR

$597.91

Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D-3

$562.46

Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit - SPRK-MC56BE

$508.58

Supertech Hyundai Veloster 16V Beehive Valve Spring Kit 75lbs - 33.5mm / 172 - 10mm Lift / 22.2mm CB - SPRK-MC56BE-G4FJ

$338.06

Supertech Toyota 2JZ Dual Valve Spring Kit - SPRK-TS1015

$820.59

Supertech Honda Integra LS B18A/B Dual Valve Spring Kit - SPRK-TS1015-LS

$588.31

Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit - SPRK-TS-DUR-D1

$588.31