87 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. s l California Residents WARNING: Cancer www.P65Warnings.ca.gov. High Performance Application B C D E F Full Set 2-Pack Pro Series 3/8˝ typical small block application ➌ 1.750 0.700 0.800 3/8-24 7/16-14 134-7101 l 134-7121 l 234-7201 l 3/8˝ with roller rockers ➌ 1.895 0.710 1.000 3/8-24 7/16-14 134-7104 l 134-7124 l 7/16˝ typical small block application 1.770 0.700 0.670 7/16-20 7/16-14 134-7103 l 134-7123 l 234-7202 l Aluminum heads, intake studs only, 8 pieces ➊ 2.000 0.820 0.700 7/16-20 7/16-14 235-7204 l Dart aluminum, 16 pieces ➊ 2.000 1.3, 0.820 0.700 7/16-20 7/16-14 235-7205 l Aluminum heads, exhaust studs only, 8 pcs. ➊ 2.000 1.650 0.700 7/16-20 7/16-14 235-7203 l Mark V 1.900 0.750 1.000 7/16-20 3/8-16 135-7102 l 135-7122 l With roller rockers and stud girdle ➊ 2.100 0.750 0.800 7/16-20 7/16-14 334-7203 l With roller rockers and stud girdle 2.000 0.750 0.800 7/16-20 7/16-14 334-7204 l With roller rockers and stud girdle ➊ 2.100 0.850 0.800 7/16-20 7/16-14 334-7202 l With roller rockers and stud girdle 1.900 0.860 0.830 7/16-20 7/16-14 234-7205 l With roller rockers and stud girdle ➌ 1.900 0.660 0.830 7/16-20 7/16-14 334-7201 l 7/16˝ typical small block application ➍ 1.900 0.750 0.850 7/16-20 7/16-14 200-7202 l 7/16˝ typical big block application ➊ 1.750 0.800 0.850 7/16-20 7/16-14 135-7101 l 135-7121 l 235-7201 l With roller rockers and stud girdle 1.900 0.850 0.850 7/16-20 7/16-14 234-7206 l Chevrolet big block (aluminum heads) 2.350 0.850 0.850 7/16-20 7/16-14 135-7202 l 135-7222 l With roller rockers and girdles 1.900 0.750 1.000 7/16-20 7/16-14 100-7101 l 100-7121 l 200-7201 l Typical Ford small block ➎ 1.900 0.750 1.000 7/16-20 7/16-14 100-7101 l 100-7121 l 200-7201 l Dart aluminum heads, 16 pieces 2.000 1.3, 0.820 1.000 7/16-20 7/16-14 235-7202 l Aluminum heads, exhaust studs only, 8 pieces 2.000 1.650 1.000 7/16-20 7/16-14 235-7206 l Aluminum heads, intake, 8 pieces 2.000 0.820 1.000 7/16-20 7/16-14 235-7207 l 7/16˝ with 1/2˝ coarse, Pontiac (1964 & later) 2.000 1.025 1.050 7/16-20 1/2-13 290-7201 l SVO 351 cid, with roller rockers and girdle 2.700 0.850 1.300 7/16-20 7/16-14 354-7204 l SVO 351 cid, with roller rockers and girdle 2.800 0.800 1.500 7/16-20 7/16-14 354-7203 l SVO 351 cid, with roller rockers and girdle 3.000 0.660 1.930 7/16-20 7/16-14 354-7202 l SVO 351 cid, with roller rockers and girdle 3.000 0.950 1.750 7/16-20 7/16-14 254-7201 l Chevrolet late model Vortec 1.750 0.600 0.850 3/8-24 M8 x 1.25 134-7201 l 134-7221 l GM 4.3L Vortec V6 1.595 0.800 0.580 3/8-24 M10 x 1.50 100-7201 l 100-7221 l Chevrolet big block 496 cid (8100 series) 1.750 0.750 0.600 7/16-20 M10 x 1.50 135-7201 l 135-7221 l SBC GEN III/IV LS Series (non adjustable), excluding LS7 1.460 1.100 0.500 5/16-24 M8 x 1.25 234-7207 l SBC GEN V 6.2L (LT1/LT4) 1.000 1.100 0.500 5/16-24 M8 x 1.25 234-7208 l Chrysler 318-360 Magnum (non adjustable) 1.425 0.625 0.600 5/16-24 5/16-18 144-7201 s ➊ These parts have a shank portion under hex to locate guide plate. ➋ Fits most stock SBChevy with 3/8 screw-in studs ➌ Fits most stock SBChevy with 7/16 screw-in studs ➍ Fits most stock BBChevy with 7/16 screw-in studs ➎ Fits most SBFord with 7/16 screw-in studs ➏ Fits most SBFord with 3/8 screw-in studs CYLINDER HEAD
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