Cylinder Heads & Valvetrain Components

GSC P-D Manganese Bronze Exhaust Valve Guide | 1991-1998 Nissan 180SX (3041-8)

GSC P-D Manganese Bronze Exhaust Valve Guide | 1989-2002 Nissan Skyline (3041-12)

GSC P-D Manganese Bronze Intake Valve Guide | 1987-1992 Toyota Supra (3034-8)

GSC P-D Manganese Bronze Exhaust Valve Guide - Set 8 | 1987-1992 Toyota Supra (3033-8)

GSC P-D Intake/Exhaust Manganese Bronze Valve Guide Stopper Style | Multiple Subaru Fitments (3019-8)

GSC P-D Intake Valve Guide Stopper Style | 2008-2015 Mitsubishi Evo X (3014-8)

GSC P-D Exhaust Valve Guide - Set of 8 | 2008-2015 Mitsubishi Evo X (3013-8)

GSC P-D Intake Valve Set +1mm 21-4N Stainless Alloy | 2014-2021 Subaru BRZ/Scion FR-S/Toyota 86 (2134-8)

GSC P-D Exhaust Valve Set +1mm 23-8N Stainless Alloy | 2014-2021 Subaru BRZ/Scion FR-S/Toyota 86 (2133-8)

GSC P-D Chrome Polished Exhaust Valve 29mm STD | 2014-2021 Subaru BRZ/Scion FR-S/Toyota 86 (2131-8)

GSC P-D Chrome Polished Intake Valve - 34.6mm Head - SET 8 | 1987-1992 Toyota Supra (2074-8)

GSC P-D Chrome Polished Exhaust Valve - 30mm Head | 1987-1992 Toyota Supra (2073-8)

GSC P-D Chrome Polished Exhaust Valve - 29mm Head | 1987-1992 Toyota Supra (2071-8)

GSC P-D Chrome Polished Super Alloy Exhaust Valve - 33.15mm Head | 2009-2021 Nissan GTR (2053-12)

GSC P-D Chrome Polished Intake Valve - 38.15mm Head | 2009-2021 Nissan GTR (2052-12)

GSC P-D Chrome Polished Super Alloy Exhaust Valve - 32.15mm Head - SET 12 | 2009-2021 Nissan GTR (2051-12)

GSC P-D Chrome Polished Intake Valve - 37.15mm Head | 2009-2021 Nissan GTR (2050-12)

GSC P-D Chrome Polished Exhaust Valve - 30mm Head | 2008-2015 Mitsubishi Evo X (2023-8)

GSC P-D Chrome Polished Intake Valve - 35mm Head - Single | 2008-2015 Mitsubishi Evo X (2022-01)

GSC P-D Chrome Polished Exhaust Valve - 29mm Head - Single | 2008-2015 Mitsubishi Evo X (2021-01)

GSC P-D Chrome Polished Super Alloy Exhaust Valve-33mm Head | Multiple Subaru Fitments (2017-8)

GSC P-D Chrome Polished Super Alloy Exhaust Valve-32mm Head | Multiple Subaru Fitments (2015-8)

GSC P-D Chrome Polished Super Alloy Exhaust Valve-32mm Head | Multiple Subaru Fitments (2015-01)