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 Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)
-19%

Supertech

Supertech Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)

SKU: SPTSPRK-A2095-ST

$670.72 $838.15
Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit
-19%

Supertech

Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit

SKU: SPTSPRK-A2416-T2Z

$536.59 $670.54
Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
-19%

Supertech

Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit

SKU: SPTSPRK-B58B

$1,167.44 $1,458.89
Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
-19%

Supertech

Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit

SKU: SPTSPRK-B58B-2

$1,167.44 $1,458.89
Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)
-19%

Supertech

Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)

SKU: SPTSPRK-BMS63B

$1,641.95 $2,051.83
Supertech Toyota 2GR-FE 24V Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 2GR-FE 24V Dual Valve Spring Kit

SKU: SPTSPRK-EC3025D-2GR

$1,284.06 $1,604.60
Supertech Toyota Tacoma 2TRFE Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota Tacoma 2TRFE Dual Valve Spring Kit

SKU: SPTSPRK-EC3025D-2TR

$780.16 $974.90
Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit

SKU: SPTSPRK-EC3025D-3UR

$1,699.31 $2,123.51
Supertech Toyota 2TR-FE Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 2TR-FE Dual Valve Spring Kit

SKU: SPTSPRK-EC3027D-2TR

$780.16 $974.90
Supertech Toyota 1AR-FE 4 Cyl 2.7L Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 1AR-FE 4 Cyl 2.7L Dual Valve Spring Kit

SKU: SPTSPRK-EC3027D-1AR

$585.97 $732.24
Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80)
-19%

Supertech

Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80)

SKU: SPTSPRK-EC3027D-3UR

$1,699.31 $2,123.51
Supertech Toyota Tacoma 2RZ/3RZ Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota Tacoma 2RZ/3RZ Dual Valve Spring Kit

SKU: SPTSPRK-EC3027D-2RZ

$780.16 $974.90
Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal)
-19%

Supertech

Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal)

SKU: SPTSPRK-FE20N54-BE

$1,167.44 $1,458.89
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm
-19%

Supertech

Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm

SKU: SPTSPRK-FE20N54-BE-2

$1,167.44 $1,458.89
Supertech Nissan VR30DDTT Conical Valve Spring Kit
-19%

Supertech

Supertech Nissan VR30DDTT Conical Valve Spring Kit

SKU: SPTSPRK-FM46-VR30-BE2

$953.47 $1,191.49
Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit

SKU: SPTSPRK-H1000D-1FZ

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

Supertech

Supertech Nissan KA24 Dual Valve Spring Kit

SKU: SPTSPRK-H1000D-240

$702.50 $877.87
Supertech BMW M54 16 Dual Valve Spring Kit
-19%

Supertech

Supertech BMW M54 16 Dual Valve Spring Kit

SKU: SPTSPRK-H1000D-BM-16-ST

$669.01 $836.03
Supertech BMW S50B32 (Euro Version) Dual Valve Spring Kit
-19%

Supertech

Supertech BMW S50B32 (Euro Version) Dual Valve Spring Kit

SKU: SPTSPRK-H1000D-BM-B32E

$1,133.16 $1,416.04
Supertech Subaru BRZ/Scion FRS/Toyota GT86 Beehive Valve Spring Kit
-19%

Supertech

Supertech Subaru BRZ/Scion FRS/Toyota GT86 Beehive Valve Spring Kit

SKU: SPTSPRK-H1002-BRZ-BE

$771.82 $964.49
Supertech Nissan KA24 Dual Valve Spring Kit
-19%

Supertech

Supertech Nissan KA24 Dual Valve Spring Kit

SKU: SPTSPRK-H1002D-240

$702.50 $877.87
Supertech Hyundai 3.8L 24V Dual Valve Spring Kit
-19%

Supertech

Supertech Hyundai 3.8L 24V Dual Valve Spring Kit

SKU: SPTSPRK-H1002D-HY

$1,217.88 $1,521.91
Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit
-19%

Supertech

Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit

SKU: SPTSPRK-H1005D-1FZ

$1,052.88 $1,315.72
Supertech BMW S50B32 EURO VERSION Dual Valve Spring Kit
-19%

Supertech

Supertech BMW S50B32 EURO VERSION Dual Valve Spring Kit

SKU: SPTSPRK-H1005D-BM-B32E

$1,133.16 $1,416.04