Mazda Miata 1.6 lts 79.0 mm(+1)/ 4032/ Forged piston/Comp. height 32.00mm (std 32.45)/ -3.7cc Flat Top/20mm pin Off Center/ Rings GNH 1×2.90/ 1.2×3.40/ 2.8×3.10 mm. ..C.R.: 10.6:1

Mazda Miata 1.6 lts 78.50 mm(+0.50)/ 4032/ Forged piston/Comp. height 32.00mm (std 32.45)/ -10.5cc Dish /20mm pin Off Center/ Rings GNH 1×2.90/ 1.2×3.20/ 2.8×3.10 mm. C.R.: 8.8:1

Single Beehive valve spring Kit 85lbs @ 34.25mm (16)SPR-TS1015-BE + (16)RET-TS60/WRX-BE + (16)SEAT-TS/SUB4

Single Beehive valve spring Kit 85lbs @ 34.25mm (16)SPR-TS1015-BE + (16)RET-TS60/WRX-BE + (16)SEAT-TS/SUB4

Single Beehive valve spring Kit 70lbs @ 35.5mm (16)SPR-TS1015-BE + (16)RET-TS60/WRX-BE + (16)SEAT-TS/SUB

Single Beehive valve spring Kit 65lbs @ 36mm (16)SPR-TS1015-BE + (16)RET-TS60/WRX-BE + (16)SEAT-TS/SUB3

Dual Valve Spring 100 @ 34.25mm SPR-TS1009 + RET-TS60IN2/WRX1 + SEAT-TS/SUB4 (no OEM)

Dual Valve Spring 82 @ 34.25mm SPR-TS1015 + RET-TS60/WRX1 + SEAT-TS/SUB-4 No OEM

Dual Valve Spring 70@ 35.5mm SPR-TS1015 + RET-TS60/WRX1 + SEAT-TS/SUB No OEM

Dual Valve Spring 64@ 36mm SPR-TS1015 + RET-TS60/WRX1 + SEAT-TS/SUB-3 No OEM

1.8lts Dual Spring kit / 85lbs@34.2mm 16) SPR-TS1015/MI + (16)RET-TS60/MA2 + (16)SEAT-TS/MA18I

1.8lts Dual Spring kit / 75lbs@34.2mm 16) SPR-TS1012/MI + (16)RET-TS60/MA2 + (16)SEAT-TS/MA18I

1.8lts Single Spring kit / 56lbs@34.20mm(16) SPR-TS1015/Si + (16)RET-TS60/MA2 + (16)SEAT-TS/MA18I

1.6lts Single Spring kit / 58lbs@34.10mm (16) SPR-TS1015/Si + (16)RET-TS60/MA2 + (16)SEAT-TS/MA18I

1.6lts Dual Spring kit

Subaru SVX Intake valve 36 x5.96 x 92.10mm /SS / Blk Nitrided / +2 / Undercut / Backcut

Subaru BRZ/FRS Intake valve 35 x5.46 x 103.30mm /SS / Blk Nitride / Std size / Undercut / backcut

Subaru H6 Intake valve 35 x 5.48 x 103.40mm /SS/Blk Nitrided / Std / Dish / Undercut / Backcut

Subaru H6 Intake Valve 36 x5.48 x 103.40mm /SS/ Blk. Nitrided/ + 1mm /Dish/Undercut/Backcut.

Subaru EJ25 2.5lts Non Turbo SOHC Intake valve 37×5.96×120.60mm /SS/Black Nitride /Backcut / Undercut +1mm

Subaru EJ25 2.5lts/WRX Intake valve 36×5.96×105.9mm/SS/Black Nitrided/backcut/ Undercut

Subaru EJ25 2.5lts/WRX Intake valve 37×5.96×108.10mm/SS/Black Nitrided/backcut./ 1mm+ head/ Longer tip

Subaru 2.0lts/WRX Intake valve 37×5.96×103.85mm/SS/Black Nitrided/backcut./ +1mm head diam.

Subaru 2.0lts/WRX Intake valve 37×5.96×103.85mm/SS/Black Nitrided/backcut./ +1mm head diam./ 0.5mm shorter then stock

Subaru 2.0lts/WRX Intake valve 36.5×5.96×103.85mm/SS/Black Nitrided/backcut./ +0.5mm head diam.

Subaru 2.0lts/WRX Intake valve 36.5×5.96×103.85mm/SS/Black Nitrided/backcut./ +0.5mm head diam./ Length and groove are 0.5mm lower than stock

Subaru 2.0lts/WRX Intake valve 36×5.96×104.35mm/SS/Black Nitrided/backcut/ std. size

Subaru H6 Exhaust valve 31.50(+1)x5.45×103.25mm/SS/Blk. Nitrided/ +1mm / Flat head

Subaru H6 Exhaust valve 31.50 (+1mm)x5.45×103.25mm/SS/Blk. Nitrided/ Dish..

Subaru H6 Exhaust valve 30.50 (std)x5.45×103.25mm/SS/Blk. Nitrided/ Dish..

Subaru EJ25 2.5lts/WRX Exhaust valve 32 x5.96×106.2mm/SS/Black Nitrided/ Std size

Subaru EJ25 2.5lts/WRX Exhaust valve 33×5.96×108.35mm/SS/Black Nitrided/ 1mm+head/ Longer tip

Subaru 2.0lts/WRX Exhaust valve 33.0×5.96×104.70mm/SS/Black Nitrided/ + 1mm head diam./ Length and groove are 1mm lower than stock

Subaru 2.0lts/WRX Exhaust valve 33.0×5.96×104.20mm/SS/Black Nitrided/ + 1mm head diam./ Length and groove are 1mm lower than stock

Subaru 2.0lts/WRX Exhaust valve 32.5×5.96×104.20mm/SS/Black Nitrided/ +0.5mm head diam./

Subaru 2.0lts/WRX Exhaust valve 32.5×5.96×104.20mm/SS/Black Nitrided/ +0.5mm head diam./ Length and groove are 0.5mm lower than stock