Name Ext. inf. A* Part number A
150 Sprocket, cr/shfL 3.6-7(LY7) L 3.6-7(LY7) 01 12645465 -
151 Guide, tmg chain(2 mounting holes)(lower primary)L(LY7) L(LY7) 12586959 -
151 Guide, tmg chain(2 mounting holes)(lower primary)L(LCS) L(LCS) 12586959 -
152 Tensioner, cm/shf inter drv chain(less bolts, gskt)(acdelco #12609263)L 3.6-7(LY7) L 3.6-7(LY7) 01 12609263 -
153 Bolt, hfh, reduced body, m8x1. 25x45, 22 thd, 18 o. d., 8. 8, 3179gmw(part of 185)(8. 900)(acdelco #11588255) 11588255 -
154 Bolt, hfh, m8x1. 25x35, 25 thd, 18 od, 8. 8 stl, gmw3359, m-pt(tmg chain gde) 11588725 -
155 Chain, cm/shf inter drv(primary)(*kit1)L(LY7) L(LY7) 12633451 -
156 Guide, tmg chain(incls 182)(upper primary)L(LY7) L(LY7) 12597417 -
156 Guide, tmg chain(incls 182)(upper primary)L(LCS) L(LCS) 12597417 -
161 Bolt, hfh, rducd bdy, m6x1x70, 18 thd, 14. 2 o. d., 8. 8, gmw3179 code g(part of 165, 166) 11588252 -
164 Gasket, tmg chain hsg(primary)(*kit1)(acdelco #12589477)L(LY7) L(LY7) 12589477 -
165 Sprocket, tmg chain idler(idler lh)(00. 736) - lhL 3.6-7(LY7) L 3.6-7(LY7) 01 12612839 -
166 Sprocket, tmg chain idler(00. 736) - rhL 3.6-7(LY7) L 3.6-7(LY7) 01 12612838 -
170 Chain, cm/shf inter drv(secondary)(*kit1)L(LY7) L(LY7) 12616608 -
171 Guide, tmg chain(incls 182)(2 mounting holes)(secondary)L(LY7) L(LY7) 12600461 -
171 Guide, tmg chain(incls 182)(2 mounting holes)(secondary)L(LCS) L(LCS) 12600461 -
173 Guide, tmg chain(pivot arm)L(LY7) L(LY7) 12623513 -
174 Bolt, m8x1. 25 6h 43. 0, gmw25 (8. 8) stl, gmw3179 code c(tmg chain tensr) 11561619 -
175 Tensioner, tmg chain(secondary)(less bolts, gskt)(acdelco #12609261) - lhL 3.6-7(LY7) L 3.6-7(LY7) 01 12609261 -
177 Gasket, tmg chain hsg(*kit1)(acdelco #12589478)L(LY7) L(LY7) 12589478 -
181 Guide, tmg chain(incls 182)(2 mounting holes)(secondary)L(LY7) L(LY7) 12600462 -
181 Guide, tmg chain(incls 182)(2 mounting holes)(secondary)L(LCS) L(LCS) 12600462 -
182 Bolt, hfh, reduced body, m8x1. 25x45, 22 thd, 18 o. d., 8. 8, 3179gmw(part of 156, 171, 181)(8. 900)(acdelco #11588255) 11588255 -
183 Guide, tmg chain(pivot arm)L(LY7) L(LY7) 12623514 -
183 Guide, tmg chain(pivot arm)L(LCS) L(LCS) 12623514 -
185 Tensioner, tmg chain(secondary)(less bolts, gskt)(acdelco #12609259) - rhL 3.6-7(LY7) L 3.6-7(LY7) 01 12609259 -
187 Gasket, tmg chain hsg(part of 185)(*kit1)(acdelco #12589479)L(LY7) L(LY7) 12589479 -
190 Actuator, cm/shf posn(exh)L(LY7) L(LY7) 12614464 -
190 Actuator, cm/shf posn(exh)L(LCS) L(LCS) 12614464 -
191 Actuator, cm/shf posn(int)(4 screws on backplate)(do not use a washer with front cam cap marked 12634613) - lhL 3.6-7(LY7) L 3.6-7(LY7) 01 12626161 -
191 Actuator, cm/shf posn(int. use t/w washer 12632859)(4 screws on backplate)( do not use a washer with front cam cap mark ed 12634613) - rhL 3.6-7(LY7) L 3.6-7(LY7) 01 12626160 -
192 Bolt, hfh, m10x1. 5x80, 26 thd, 22. 3 o. d., 10. 9, gm4277m(cm/shf posn actr) 11588279 -
900 Washer, cm/shf thr(used on actuators 12603744-745, 12606653 & 12630916-918)L 3.6-7(LY7) L 3.6-7(LY7) 01 12630941 -
900 Washer, cm/shf thr(used on actuators 12614464 & 12626160-161)(washer is not required for heads with front cam cap marked 12634613)L 3.6-7(LY7) L 3.6-7(LY7) 01 12632859 -
K01 Chain pkg, tmg(acdelco #12650231)LR 3.6-7(LY7) LR 3.6-7(LY7) 01 12650231 -
K01 Chain pkg, tmg(acdelco #12650231)LR,LS 3.6-7(LY7) LR,LS 3.6-7(LY7) 01 12650231 -
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