Engine Internals

High-performance engine components including valves, valve springs, pistons, head gaskets, connecting rods, and more. Engineered for 2JZ, BMW M50/S54, and other performance platforms.

3122 products

Supertech BMW S54 87.5mm Dia 1.2mm Thick High Boost Cooper Ring Head Gasket
-12%

Supertech

Supertech BMW S54 87.5mm Dia 1.2mm Thick High Boost Cooper Ring Head Gasket

SKU: SPTHG-BMW-S54-87.5-1.2T

$431.50 $495.82
Supertech BMW S54 88mm Dia 1.2mm Thick Cooper ring Head Gasket
-12%

Supertech

Supertech BMW S54 88mm Dia 1.2mm Thick Cooper ring Head Gasket

SKU: SPTHG-BMW-S54-88-1.2T

$431.50 $495.82
Supertech Mitsubishi 4B11 87.5mm Bore .040in (1mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Mitsubishi 4B11 87.5mm Bore .040in (1mm) Thick MLS Head Gasket

SKU: SPTHG-MI4B11-87.5-1T

$168.64 $193.78
Supertech Mitsubishi 4G63 EVO 4-8 86.3mm Bore .051in (1.3mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Mitsubishi 4G63 EVO 4-8 86.3mm Bore .051in (1.3mm) Thick MLS Head Gasket

SKU: SPTHG-MI4G63-86.3-1.3T

$168.64 $193.78
Supertech Mitsubishi 4G63 EVO 4-10 86.3mm Bore .040in (1mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Mitsubishi 4G63 EVO 4-10 86.3mm Bore .040in (1mm) Thick MLS Head Gasket

SKU: SPTHG-MI4G63-86.3-1T

$168.64 $193.78
Supertech Mitsubishi 4G63 EVO 9 86.3mm Bore .040in (1mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Mitsubishi 4G63 EVO 9 86.3mm Bore .040in (1mm) Thick MLS Head Gasket

SKU: SPTHG-MI4G63-9-86.3-1T

$168.64 $193.78
Supertech Nissan CA18 85.00mm Dia 1.3mm Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan CA18 85.00mm Dia 1.3mm Thick MLS Head Gasket

SKU: SPTHG-NCA18-85-1.3T

$173.68 $199.56
Supertech Nissan RB26 87.5mm Bore 0.047in (1.2mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan RB26 87.5mm Bore 0.047in (1.2mm) Thick MLS Head Gasket

SKU: SPTHG-NRB26-87.5-1.2T

$337.21 $387.48
Supertech Nissan RB28 87.5mm Bore 0.059in (1.5mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan RB28 87.5mm Bore 0.059in (1.5mm) Thick MLS Head Gasket

SKU: SPTHG-NRB26-87.5-1.5T

$373.37 $429.02
Supertech Nissan SR20 VVL 87.5mm Bore 0.040in (1.00mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan SR20 VVL 87.5mm Bore 0.040in (1.00mm) Thick MLS Head Gasket

SKU: SPTHG-NSR20-87.5-1T-VVL

$168.64 $193.78
Supertech Nissan SR20 FWD 88.5mm Bore 0.033in (.85mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan SR20 FWD 88.5mm Bore 0.033in (.85mm) Thick MLS Head Gasket

SKU: SPTHG-NSR20-88.5-0.85T-FWD

$168.64 $193.78
Supertech Nissan SR20 RWD 88.5mm Bore 0.040in (1.00mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan SR20 RWD 88.5mm Bore 0.040in (1.00mm) Thick MLS Head Gasket

SKU: SPTHG-NSR20-88.5-1T-RWD

$168.64 $193.78
Supertech Nissan TB48 102.5mm Dia 0.9mm Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan TB48 102.5mm Dia 0.9mm Thick MLS Head Gasket

SKU: SPTHG-NTB48-102.5-0.9T

$353.94 $406.70
Supertech Nissan TB48 102.5mm Bore 0.047in (1.2mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Nissan TB48 102.5mm Bore 0.047in (1.2mm) Thick MLS Head Gasket

SKU: SPTHG-NTB48-102.5-1.2T

$334.22 $384.05
Supertech Nissan VR38 GTR 100.5mm Bore 0.037in (.95mm) Thick MLS Head Gasket (Right Side)
-12%

Supertech

Supertech Nissan VR38 GTR 100.5mm Bore 0.037in (.95mm) Thick MLS Head Gasket (Right Side)

SKU: SPTHG-NVR38-100.5-0.95T-R

$163.61 $187.99
Supertech Nissan VR38 GTR 100.5mm Bore 0.40in (1mm) Thick Cooper Ring Head Gasket (Left Side)
-12%

Supertech

Supertech Nissan VR38 GTR 100.5mm Bore 0.40in (1mm) Thick Cooper Ring Head Gasket (Left Side)

SKU: SPTHG-NVR38-100.5-1TC-L

$266.05 $305.72
Supertech Nissan VR38 GTR 100.5mm Bore 0.40in (1mm) Thick Cooper Ring Head Gasket (Right Side)
-12%

Supertech

Supertech Nissan VR38 GTR 100.5mm Bore 0.40in (1mm) Thick Cooper Ring Head Gasket (Right Side)

SKU: SPTHG-NVR38-100.5-1TC-R

$266.05 $305.72
Supertech Subaru EJ20 93.5mm Bore 0.047in (1.2mm) Thick Cooper Ring Head Gasket
-12%

Supertech

Supertech Subaru EJ20 93.5mm Bore 0.047in (1.2mm) Thick Cooper Ring Head Gasket

SKU: SPTHG-SUEJ20-93.5-1.2T

$161.09 $185.10
Supertech Subaru EJ25 94mm Bore 0.051in (1.3mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Subaru EJ25 94mm Bore 0.051in (1.3mm) Thick MLS Head Gasket

SKU: SPTHG-SUEJ20-94-1.3T

$105.11 $120.78
Supertech Subaru EJ20 94mm Bore .040in (1mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Subaru EJ20 94mm Bore .040in (1mm) Thick MLS Head Gasket

SKU: SPTHG-SUEJ20-94-1T

$105.11 $120.78
Supertech Subaru EJ20 95mm Dia 1.2mm Thick Bolts 14.3mm Cooper Ring Head Gasket (One Side)
-12%

Supertech

Supertech Subaru EJ20 95mm Dia 1.2mm Thick Bolts 14.3mm Cooper Ring Head Gasket (One Side)

SKU: SPTHG-SUEJ20-95-1.2TBB

$168.64 $193.78
Supertech Subaru EJ235 99mm Dia 1.2mm Thick Bolts 14.3mm Cooper Ring Head Gasket (One Side)
-12%

Supertech

Supertech Subaru EJ235 99mm Dia 1.2mm Thick Bolts 14.3mm Cooper Ring Head Gasket (One Side)

SKU: SPTHG-SUEJ235-99-1.2TBB

$161.09 $185.10
Supertech Subaru EJ25 100mm Bore 0.051in (1.3mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Subaru EJ25 100mm Bore 0.051in (1.3mm) Thick MLS Head Gasket

SKU: SPTHG-SUEJ25-100-1.3T

$105.11 $120.78
Supertech Subaru EJ25 101mm Bore 0.037in (0.95mm) Thick MLS Head Gasket
-12%

Supertech

Supertech Subaru EJ25 101mm Bore 0.037in (0.95mm) Thick MLS Head Gasket

SKU: SPTHG-SUEJ25-101-0.95T

$100.18 $115.10