4340 Wrist Pins

4340 pins are recommended for sprint cars, blown engines and more! Manufactured from billet bar stock 4340 chrome moly, which has a minimum tensile strength of 240,000 psi and a 13% greater ductility than standard pins. The hard chrome finish provides long life.

Diameter	Length	Wall	Gram Weight	Material	Part#	Note
0.791	2.500	.150 TW	80	4340	791-04-25	Taper Wall Pin
0.792	2.850	.150 TW	94	4340	792-04-28	Taper Wall Pin
0.827	2.500	.160 TW	92	4340	827-04-25	Taper Wall Pin
0.875	2.500	.160 TW	105	4340	875-04-25	Taper Wall Pin
0.875	2.850	.160 TW	124	4340	875-04-28	Taper Wall Pin
0.905	2.500	.175 TW	118	4340	905-04-25	Taper Wall Pin
0.927	2.500	.180 TW	121	4340	927-04-25	Taper Wall Pin
0.927	2.950	.180 TW	145	4340	927-04-29	Taper Wall Pin
0.927	3.125	.180 TW	150	4340	927-04-31	Taper Wall Pin
0.944	2.750	.150 TW	135	4340	945-03-27	Taper Wall Pin
0.945	2.850	.190 TW	144	4340	945-04-28	Taper Wall Pin
0.945	2.930	.200 TW	164	4340	975-04-29	Taper Wall Pin
0.984	2.500	.210 TW	146	4340	984-04-25	Taper Wall Pin
1.031	2.750	.200 TW	161	4340	031-04-27	Taper Wall Pin
1.040	2.930	.200 TW	177	4340	040-04-29	Taper Wall Pin
1.040	3.125	.200 TW	184	4340	040-04-31	Taper Wall Pin
1.094	2.750	.240 TW	189	4340	094-04-27	Taper Wall Pin