Valve Stem

Type	Operation	Speed	Best	Better	Good
Mono Valve (Inlet Valve)	Rough	35	24A463 M3 V600 9A463 M3 V877	DA463 M3 V2016 DA463 P5 V2020	A463 M3 V10
Bi – Metal (Exhaust Valve)		50	24A463 L5 V600/45 9A463 L5 V877/45	DA463 L5 V2016/45 DA463 P5 V2020/45	A463 L5 V45
	Semi Finish	35	24A60 L5 V600 9A463 L5 V877	DA60 L5 V2016	A60 L5 V10
		50	24A463 L5 V600/45 9A463 L5 V877/45	DA60 L5 V2016/45	A60 L5 V45
	Finish	35	24A100 J5 V600 9A100 J5 V877	DA100 J5 V2016	A100 J5 V10
		50	24A100 J5 V600/45 9A100 J5 V877/45	DA100 J5 V2016/45	A100 J5 V45
	Super Finish	50	A400 F5 RBCX
Bi - Metal with High Nickel content (Exhaust valve)	Rough	35,50	24A463 M3 V600 9A463 M3 V877	-	-
	Semi Finish	35,50	9A60 L5 V877/45	-	-
	Finish	35,50	9A100 J5 V877/45	-	-