Valvetrain Weights
by Brian Tooley, 2004

Manufacturer	Part #	Part type	Diameter	Length	Stem Dia.	Material	Weight
Del West		Exhaust valve	1.600	5.040	0.311	Titanium	62.3
GM		Z06 Exh valve	1.550		8mm		64.6
Ferrea	F6232	Exhaust valve	1.550		8mm		86.2
Ferrea	F1021P	Exhaust valve	1.600		8mm		86.2
GM		Stock exh valve					87.3
Ferrea	F1893P						94.6
Ferrea	F6267	Exhaust valve	1.600	0.100			96.0
Ferrea	F6235	Exhaust valve	1.600		8mm		97.6
Ferrea	F1892P	Exhaust valve	1.600		8mm		98.9
Del West		Intake valve	2.055	5.040	0.311	Titanium	73.3
GM		Z06 Int valve	2.000		8mm		74.7
Ferrea	F1022P	Intake valve			8mm		100.6
GM		Stock int valve	2.000		8mm		101.1
Ferrea	F1043P	Intake valve	2.050		8mm		103.7
Ferrea	F6231	Intake valve			8mm		108.8
Ferrea	F6234	Intake valve			8mm		112.4
Ferrea	F6268	Intake valve	2.080	0.100	8mm		113.4
GM		Stock locks					2.5g
Comp		7 deg locks					3.2g
Comp	CC 611	10 deg 11/32 locks					6.1g
Comp	CC 614	10 deg 5/16 locks					6.6g
Manley	13151-8	10 deg Bead lock					7.1g
Ferrea	S10048	1.260 Single Spring					77.6g
GM		03' Z06 Spring					77.3g
Comp	CC 918	Single spring					73.1g
Comp	CC 987	1.440 Dual Spring					119.3
Comp	CC 772	Stock Dia Tit Ret (918)					7.2
Ferrea	E11020	Double Tit Ret					9.4
Comp		1.250 Tit Ret					10.7
GM		Stock LS1/LS6 ret					11.3
Victory		1.550 Tit Ret					14.2
Comp	CC 730	1.440 Tit Ret					15.9
Comp	CC 776	1.440 Tit Ret					16.4
Comp		1.550 Tit Ret					20.2
Comp	CC 749	1.550 Chromoly Ret					35.2