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 Nissan Pulsar Gti-R Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan Pulsar Gti-R Dual Valve Spring Kit

SKU: SPTSPRK-H1005D-GTIR

$614.23 $767.57
Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit
-19%

Supertech

Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit

SKU: SPTSPRK-H1005D-S14

$755.44 $944.02
Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit
-19%

Supertech

Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit

SKU: SPTSPRK-H1005D-S38

$1,133.16 $1,416.04
Supertech BMW S50B30 EURO VERSION Dual Valve Spring Kit
-19%

Supertech

Supertech BMW S50B30 EURO VERSION Dual Valve Spring Kit

SKU: SPTSPRK-H1005D-S50-B30E

$923.16 $1,153.62
Supertech Toyota 1GR-FE 4.0L V6 24V Beehive Valve Spring Kit
-19%

Supertech

Supertech Toyota 1GR-FE 4.0L V6 24V Beehive Valve Spring Kit

SKU: SPTSPRK-H1007BE-T1GR

$900.18 $1,124.89
Supertech Toyota 1FZ Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 1FZ Dual Valve Spring Kit

SKU: SPTSPRK-H100DR-1FZ

$982.76 $1,228.09
Supertech Nissan KA24 Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan KA24 Dual Valve Spring Kit

SKU: SPTSPRK-H100DR-240

$702.50 $877.87
Supertech Nissan Patrol TB48 Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan Patrol TB48 Dual Valve Spring Kit

SKU: SPTSPRK-H1020-2024

$1,170.23 $1,462.36
Supertech Nissan SR20DET Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan SR20DET Dual Valve Spring Kit

SKU: SPTSPRK-H1020D-SR20

$780.16 $974.90
Supertech Nissan SR20 Single Valve Spring Kit
-19%

Supertech

Supertech Nissan SR20 Single Valve Spring Kit

SKU: SPTSPRK-H1020S-SR20

$508.34 $635.24
Supertech Nissan SR20DET Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan SR20DET Dual Valve Spring Kit

SKU: SPTSPRK-H1021D-SR20

$780.16 $974.90
Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss)
-19%

Supertech

Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss)

SKU: SPTSPRK-H1021D-VE

$638.95 $798.46
Supertech Nissan SR20DET Single Valve Spring Kit
-19%

Supertech

Supertech Nissan SR20DET Single Valve Spring Kit

SKU: SPTSPRK-H1021S-SR20

$536.59 $670.54
Supertech Nissan TB48 24V Single Valve Spring Kit
-19%

Supertech

Supertech Nissan TB48 24V Single Valve Spring Kit

SKU: SPTSPRK-H1021S-TB48

$1,016.66 $1,270.45
Supertech Nissan SR20-VE Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan SR20-VE Dual Valve Spring Kit

SKU: SPTSPRK-H1022D-P12

$638.95 $798.46
Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit
-19%

Supertech

Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit

SKU: SPTSPRK-H1022D-S14

$755.44 $944.02
Supertech Nissan SR20DET Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan SR20DET Dual Valve Spring Kit

SKU: SPTSPRK-H1022D-SR20

$780.16 $974.90
Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss)
-19%

Supertech

Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss)

SKU: SPTSPRK-H1022D-VE

$638.95 $798.46
Supertech Nissan TB48 24V Single Valve Spring Kit
-19%

Supertech

Supertech Nissan TB48 24V Single Valve Spring Kit

SKU: SPTSPRK-H1022S-TB48

$1,016.66 $1,270.45
Supertech BMW S54 24V 3.2L Single Beehive Valve Spring Kit
-19%

Supertech

Supertech BMW S54 24V 3.2L Single Beehive Valve Spring Kit

SKU: SPTSPRK-HM1007BE-S54

$1,272.59 $1,590.28
Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat)
-19%

Supertech

Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat)

SKU: SPTSPRK-HY1015-2

$754.79 $943.21
Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat)
-19%

Supertech

Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat)

SKU: SPTSPRK-HY1015-3

$755.44 $944.02
Supertech Mitsubishi 4G63 Dual Valve Spring Kit
-19%

Supertech

Supertech Mitsubishi 4G63 Dual Valve Spring Kit

SKU: SPTSPRK-M1005D

$722.24 $902.54
Supertech Nissan Skyline RB20 DOHC 24V (w/Solid Lifter Conversion) Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan Skyline RB20 DOHC 24V (w/Solid Lifter Conversion) Dual Valve Spring Kit

SKU: SPTSPRK-M1005D-RB20

$1,133.16 $1,416.04