Supertech High Performance Valves: GM

GM ECOTEC LSJ 2.0 / 2.2 / 2.4L
	INTAKE VALVE						Part Number	EXHAUST VALVE					Part Number
	Head Diam		Stem. Diam		Length		Black Nitrided	Head Diam		Stem. Diam		Length	Black Nitrided / Inconel
Cavalier / Cobalt /Solstice / Opel / Vauxhall	35.10mm		5.97mm		102.50mm		GIVN-0010	30.10mm		5.96mm		101.50mm	GEVN-0010
	35.60 (+0.5) mm		5.97mm		102.50mm		GIVN-0012S	30.60 (+0.5) mm		5.96mm		101.50mm	GEVN-1012S / GEVI-0012S*
	TRIPLE OR SINGLE GROOVE									TRIPLE OR SINGLE GROOVE
ENGINE COMPONENTS
VALVE SPRINGS	Outer Spring			Inner Spring		Pressure (lbs@mm)		Max Net lift	Coil Bind		Rate	Titanium Retainer
Part Number	O.D. (mm)	I.D. (mm)		O.D. (mm)	I.D. (mm)	Seat	Open (lift)	mm	mm		lbs./mm	Part Number
SPR-TS1015/EC	27.50	20.00		20.00	15.20	78 @ 34.60	229 @ 12.5	13.00	20.70		12.10	RET-TS5.5/T5 + OEM SEAT + SEAT-EC1015 (inner spr)**
SPR-EC3025	26.60	19.60		19.40	14.20	76 @ 34.60	217 @ 12.5	15.60	19.00		11.30	RET-EC3020/T1 + SEAT-EC3020 (Requires new smaller seal)
SPR-EC3027	26.60	19.60		19.60	14.20	94 @ 34.60	232 @ 12.5	13.90	20.70		11.10	RET-EC3020/T1 + SEAT-EC3020 (Requires new smaller seal)
VALVE GUIDES	INTAKE: GDE-EC60-SM / Use VALVE SEAL: VS-T6SM							EXHAUST: GDE-EC60-SM / Use VALVE SEAL: VS-T6SM
TITANIUM VALVES	PLEASE CALL /** CAN USE RET-TS5.5/T1 THAT INSTALLS @33mm
GM VORTEC 4 / 5 / 6 Cyl
	INTAKE VALVE						Part Number	EXHAUST VALVE					Part Number
	Head Diam		Stem. Diam		Length		Black Nitrided	Head Diam		Stem. Diam		Length	Black Nitrided / Inconel
2002 - 2006	39mm (+2mm)		5.97mm		105.30mm (single groove)		GIVN-3920S	34mm (+3.5mm)		5.96mm		107.9mm (single groove)	GEVN-3435S

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