Page 160 of Accel Performance Spark & Fuel 2007 by Prestolite Performance

u-groove spark plugs make year engine/model 8 cylinder engines u-groove std res blister-pak header std res plug plug gap make year engine/model 6 cylinder engines u-groove std res blister-pak header std res plug plug gap 1970-68 1970-67 1969-67 1969-66 1969-65 1969 1968-62 1967-57 1965-62 1961-59 1958 1957-55 307 cid 0137 0437 8170 ｷ 8197 .035 350 cid exc 360hp 0137 0437 8170 ｷ 8197 .035 302 cid 290hp z28 0134 ｷｷｷｷ .035 427 cid 335 390 400 425 430 435hp 0114 0494 ｷ 8187 ｷ .035 396 cid 325 350 360 375hp 0114 0494 ｷ 8187 ｷ .035 327 cid 0137 0437 8170 ｷ 8197 .035 327 cid 250hp 275hp 0137 0437 8170 ｷ 8197 .035 283 cid 0137 0437 8170 ｷ 8197 .035 409 cid 0114 0494 ｷ 8187 ｷ .035 348 cid 0114 0494 ｷ 8187 ｷ .035 348 cid 3/4 reach plugs 0114 0494 ｷ 8187 ｷ .035 3/8 reach plugs 0137 0437 8170 ｷ 8197 .035 265 cid 0137 0437 8170 ｷ 8197 .035 1983-81 1980-79 1980-76 1979-78 1978-76 1975 1974-72 1974-70 1971 1970 1969-63 1967 1966-63 1962 2002-99 2000-96 2000-97 231 cid 3.8la el camino ｷ 0586 ｷｷｷ .080 231 cid 3.8la ｷ 0586 ｷ 8182 8199 .060 250 cid 4.1l ld ｷ 0577 ｷ 8185 ｷ .035 200 cid 3.3l el camino 0276 0576 ｷ 8184 8199 .045 250 cid 4.1l hd ｷ 0566 ｷ 8178 ｷ .035 292 cid 4.8l w/o hei ｷ 0566 ｷ 8178 ｷ .035 250 cid 4.1l ｷ 0566 ｷ 8178 ｷ .035 292 cid 4.8l ｷ 0566 ｷ 8178 ｷ .035 250 cid 4.1l ｷ 0577 ｷ 8185 ｷ .035 250 cid ｷ 0566 ｷｷｷ .035 230 cid 250 cid 0146 ｷｷｷｷ .035 194 cid 0114 0494 ｷ 8187 ｷ .035 194 cid 0146 ｷｷｷｷ .035 261 cid 0124 ｷｷｷｷ .035 4.8l 5.3l 6.0l 8.1l ｷ 0526 ｷ 8194 ｷ .060 305 cid 5.0l m efi ｷ 0526 ｷ 8194 p526s .060 350 cid 5.7l r,k efi g10 van express 0274 0574 8171 8177 8198 .060 350 cid 5.7l r efi g30 van express k1500 suburban tahoe ｷ 0526 ｷ 8194 p526s .060 454 cid 7.4l j,n efi ｷ 0526 ｷ 8194 p526s .060 366 cid 6.0l b,l,p 0276 0576 8172 8179 8199 .045 427 cid 7.0lb,e,mtbi 0274 0574 8171 8177 8198 .045 350 cid 5.7ln tbi efi ,g30 van sport van 0274 0574 8171 8177 8198 .035 350 cid 5.7l r efi express ｷ 0526 ｷ 8194 p526s .060 350 cid 5.7lk,r tbi efi 0274 0574 8171 8177 8198 .045 454 cid 7.4ln tbi efi 0274 0574 8171 8177 8198 .045 305 cid 5.0lh,f tbi 0274 0574 8171 8177 8198 .035 454 cid 7.4lw efi ｷ 0566 ｷ 8178 ｷ .045 350 cid 5.7la,m exc fuel inj ｷ 0566 ｷ 8178 ｷ .045 366 cid 6.0l ｷ 0566 ｷ 8178 ｷ .045 454 tbi 0274 0574 8171 8177 8198 .035 305 cid 5.0lf,h 0274 0574 8171 8177 8198 .045 350 cid 5.7ll 0274 0574 8171 8177 8198 .045 350 cid 5.7le,m ｷ 0566 ｷ 8178 ｷ .045 454 cid 7.4lw ｷ 0566 ｷ 8178 ｷ .045 350 cid 5.7ll 0276 0576 8172 8179 8199 .045 305 cid 5.0l f,g,h 0276 0576 8172 8179 8199 .045 8 cylinder engines chevrolet truck 4 cylinder engines 2002-96 1995-94 1993-85 1989 1985-82 1984-83 1982-73 1980-73 1977-76 1975 1974-71 1967-63 2003-96 1995-94 1995-93 1993-85 1991 1991-86 1991-76 1988-87 1985-82 1984 1984-83 1984-81 134 cid 2.2l 4 mfi ｷ 0526 ｷ 8176 p526s 0.06 134 cid 2.2l 4 0274 0574 8171 8190 8198 .060 151 cid 2.5la,e 0274 0574 8171 8190 8198 .060 98 cid 1.6l6 tracker ｷ 0496 ｷ 8188 ｷ .042 1.9la s10 ｷ 0494 ｷ 8187 ｷ .045 121 cid 2.0ly s10 0274 0574 8171 8190 8198 .035 1.8l luv ｷ 0494 ｷ 8187 ｷ .044 1.8l luv 0114 0494 ｷ 8187 ｷ .035 140 cid 2.3l vega sedan del 0274 0574 8171 8190 8198 .035 140 cid 2.3l vega sedan del 0274 0574 8171 8190 8198 .060 140 cid 2.3l vega sedan del 0274 0574 8171 8190 8198 .035 153 cid 0114 0494 ｷ 8187 ｷ .035 262 cid 4.3l w efi hi-performance ｷ 0526 ｷ 8176 ｷ .060 262 cid 4.3lw,z 0274 0574 8171 8190 8198 .045 231 cid 3.8l l ｷ 0526 ｷ 8176 ｷ .060 262 cid 4.3l b,n,w,z 0274 0574 8171 8190 8198 .035 262 cid 4.3ls turbo 0274 0574 8171 8190 8198 .035 173 cid 2.8lr 0274 0574 8171 8190 8198 .045 292 cid 4.8lt ｷ 0566 ｷｷｷ .035 262 cid 4.3lz el camino 0276 0576 ｷ 8184 8199 .035 173 cid 2.8lb 0274 0574 8171 8190 8198 .045 231 cid 3.8la ｷ 0586 ｷ 8182 8199 .060 229 cid 3.8l9 0276 0576 ｷ 8184 8199 .045 250 cid 4.1ld 0276 0576 ｷ 8184 8199 .045 2000-96 1998-96 1997-90 1996 1996 1995-87 1997-87 1995-87 1991-81 1989-87 6 cylinder engines 1987 1986 1986-84 1986-81 1985-84 1985-83 158 multiple display packs are required for this application.

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