SKU: GSC7003R4

Available from MFR.

GSC P-D Mitsubishi 4G63T Evo 1-3 / 90-99 DSM R4 Camshafts 295/310 Billet (Drag Race Engine Only)

SKU: GSC5765

Last Available from MFR.

GSC P-D Subaru EZ36 Valve Spring Seat and Titanium Retainer Kit

SKU: GSC5074

IN STOCK! Est Ship 3-5 days.

GSC P-D Subaru EJ Series Dual Conical Valve Spring Kit

SKU: GSC5056

IN STOCK! Est Ship 3-5 days.

GSC P-D Single Beehive Spring Kit Titanium Retainers/Chromoly Seats 13-15 Scion FR-S / BRZ FA20

SKU: GSC5053

LOW STOCK! Est Ship 3-5 days.

GSC P-D VQ35DE (Turbo High Rev) Beehive Valve Spring and Titanium Retainer Kit

SKU: GSC5026

IN STOCK! Est Ship 3-5 days.

GSC P-D Nissan RB26DETT High Pressure Shimless Conical Valve Spring & Ti Retainer Kit (Max PSI 60)

SKU: GSC5025

IN STOCK! Est Ship 3-5 days.

GSC P-D Audi R8 V10 / Lamborghini Huracan V10 5.2L Valve Spring & Ti Retainer Kit (w/Seats & Seals)

SKU: GSC5016

Limited Availability from MFR

GSC P-D Nissan VQ35 Extreme Conical Valve Spring Titanium Retainer and Spring Seat Kit

SKU: GSC4074-16

Available from MFR.

GSC P-D Subaru EJ Series CroMo Spring Seat Set (For 5074 Spring Kit) - Set of 16

SKU: GSC4074-1

Available from MFR.

GSC P-D Subaru EJ Series CroMo Spring Seat (For 5074 Spring Kit) - Single

SKU: GSC4025-40

Special Order. Contact for ETA.

GSC P-D Lamborghini Huracan/Audi R8 V10 5.2L CroMo Spring Seat - Set of 40

SKU: GSC3997.003-1

LOW STOCK! Est Ship 3-5 days.

GSC P-D Porsche GT3 Cup 996/997 Intake/Exhaust Valve Guide Standard Style +.003in OD - Single

SKU: GSC3997

Available from MFR.

GSC P-D Porsche GT3 CUP 996/997 Manganese Bronze STD Style Intake/Exhaust Valve Guide - Single

SKU: GSC3152.003-1

Special Order. Contact for ETA.

GSC P-D Ford F150 5.0L Coyote (Gen 4) (+.003in Oversize) Intake/Exhaust Stopper Valve Guide - Single

SKU: GSC3138-12

Special Order. Contact for ETA.

GSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Intake Valve Guide - Set of 12

SKU: GSC3138

Special Order. Contact for ETA.

GSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Intake Valve Guide - Single

SKU: GSC3137.003-1

Available from MFR.

GSC P-D Nissan VR30DDTT Manganese Bronze Stopper Exhaust Valve Guide +.003in Oversize OD - Single

SKU: GSC3135.001-1

Available from MFR.

GSC P-D Audi R8/Lambirghini Huracan V10 5.2L +.001in OD Stopper Style Int/Exh Valve Guide - Single

SKU: GSC3135

Available from MFR.

GSC P-D Audi R8/Lambirghini Huracan V10 5.2L Stopper Style Int/Exh Valve Guide - Single

SKU: GSC3133.003-1

Special Order. Contact for ETA.

GSC P-D Ford Mustang 5.0L Coyote (Gen 3/4) (+.003in Oversize) Int/Exh Stopper Valve Guide - Single

SKU: GSC3130.001-1

Available from MFR.

GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 Int/Exh Valve Guide w/Stopper +.001in Oversize OD - Single

SKU: GSC3130

Available from MFR.

GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 (STD) Intake/Exhaust Valve Guide w/Stopper - Single

SKU: GSC3128

Available from MFR.

GSC P-D Nissan SR20DET/RB26 STD Intake Valve Guide w/Stopper - Single

SKU: GSC3126.003-1

Special Order. Contact for ETA.

GSC P-D Subaru EZ30 PHZ 2 1.34in Len .345in Protrusion +.003 Int Valve Guide Stopper Style - Single