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258/4.2L OHV L6 12V 3.750" Bore 71-90

Jeep - TRUCK, VAN

Engine Kits Type Masters Rebuild ReMain
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Economy MKJ258 RCJ258 RMJ258
Premium N/A N/A N/A
Economy MKJ258 RCJ258 RMJ258
81-81
W/O Tab On Oil Pump Cover Plate 		Premium N/A N/A N/A
81-81
W/O Tab On Oil Pump Cover Plate 		Economy MKJ258A RCJ258A RMJ258A
81-81
With Tab On Oil Pump Cover Plate 		Premium N/A N/A N/A
81-81
With Tab On Oil Pump Cover Plate 		Economy MKJ258B RCJ258B RMJ258A
82-82
W/O Tab On Oil Pump Cover Plate 		Premium N/A N/A N/A
82-82
W/O Tab On Oil Pump Cover Plate 		Economy MKJ258C RCJ258C RMJ258A
82-82
With Tab On Oil Pump Cover Plate 		Premium N/A N/A N/A
82-82
With Tab On Oil Pump Cover Plate 		Economy MKJ258D RCJ258D RMJ258A
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Economy MKJ258E RCJ258E RMJ258A
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Economy MKJ258F RCJ258F RMJ258B
Description Part # Notes Retail ($) Cart
Cylinder Sleeve ESL120 Notes 71-90 3/32 x 3.750 x 7.250" 13.84 View Full Detail
Connecting Rod - Stock ECR110 Notes 71-90 Reconditioned. Press fit pins. Forging # 352, 427. Big end width 1.060". 27.49 View Full Detail
Crank Kit - Reman 251700 Notes 71-86 With centering ring on back of flywheel flange. 2 1/2" neck length. Engines with "V" type belts. Includes bearings. Forging # RD67703, 3214723, 3235477. Check for proper physical match before installation. 481.78 View Full Detail
Crank Kit - Reman 253000 Notes 87-90 2 1/16" neck length. Engines with serpentine type belts. Includes bearings. Forging # 3727. Check for proper physical match before installation. 481.78 View Full Detail
Gasket - Valve Cover VCJ258 Notes 86-90 Engines with aluminum valve cover. 5.17 View Full Detail
Gasket Set - Full J258-76 Notes 71-80 47.01 View Full Detail
Gasket Set - Full J258L-76 Notes 81-85 45.63 View Full Detail
Gasket Set - Full J4.2-76 Notes 86-90 Add P/N VCJ258 for engines with aluminum valve cover. 55.32 View Full Detail
Gasket Set - PER J258L Notes 81-85 Rebuilder set without rear main or valve stem seals. 33.08 View Full Detail
Gasket Set - PER J4.2 Notes 86-90 For engines with aluminum valve cover add P/N VCJ258. Rebuilder set without rear main or valve stem seals. 41.47 View Full Detail
Valve Seal - Umbrella S2886-20 Notes 71-90 3/8" stem. 0.819" long. (20 pack). 13.57 View Full Detail
Valve Seal - Umbrella S2886 Notes 71-90 3/8" stem. 0.819" long. (100 pack). 0.54 View Full Detail
Rear Main Seal S0692 Notes 71-86 2pc. Poly. Single lip. 8.30 View Full Detail
Rear Main Seal S0591 Notes 87-90 2pc. Viton. Double lip. 9.68 View Full Detail
Timing Set TS494B Notes 71-81 3pc. set. 30.40 View Full Detail
Timing Set TS504 Notes 82-90 3pc. set. 31.78 View Full Detail
Timing Chain C494 Notes 71-81 Timing chain. 48 link. 11.86 View Full Detail
Valve Lifter L2011-4 Notes 71-90 Hydraulic. Flat follower. (4 pack). 10.47 View Full Detail
Valve Lifter L2011-16 Notes 71-90 Hydraulic. Flat follower. (16 pack). 39.66 View Full Detail
Valve Lifter L2011 Notes 71-90 Hydraulic. Flat follower. (117 / tray) 289.98 View Full Detail
Camshaft - Stock ES652 Notes 71-76 All. 83.01 View Full Detail
Camshaft - Stock ES652 Notes 77-78 W/1Bbl. 83.01 View Full Detail
Camshaft - Stock ES652 Notes 79-80 W/manual trans. 83.01 View Full Detail
Camshaft - Stock ES713 Notes 81-90 77.47 View Full Detail
Camshaft - Stock ZDDP-3 Notes 71-90 Cam-Shield ZDDP 3 oz. oil additive for cam & lifter break-in. One bottle treats 4 to 6 quarts of oil. Contains at least 30% more ZDDP than other leading brands. 11.01 View Full Detail
Camshaft - Stock ZMOLY-1 Notes 71-90 Moly cam paste with 2500 ppm of ZDDP. 1 lb. tub. 44.80 View Full Detail
Camshaft - Stock ZMOLY-4 Notes 71-90 Moly cam paste with 2500 ppm of ZDDP. 4 oz. brush top jar. 13.78 View Full Detail
Camshaft - Stock ZMOLY-5 Notes 71-90 Moly cam paste with 2500 ppm of ZDDP. 5/8 oz. pack. 3.87 View Full Detail
Camshaft - HP ES1122R* Notes 71-90 Stage 1 high performance. Use hydraulic flat followers. .050" Duration- 208/208; Cam Lift-.280/.280; Lobe Center-110/114. 90.24 View Full Detail
Camshaft - HP ZDDP-3 Notes 71-90 Cam-Shield ZDDP 3 oz. oil additive for cam & lifter break-in. One bottle treats 4 to 6 quarts of oil. Contains at least 30% more ZDDP than other leading brands. 11.01 View Full Detail
Camshaft - HP ZMOLY-1 Notes 71-90 Moly cam paste with 2500 ppm of ZDDP. 1 lb. tub. 44.80 View Full Detail
Camshaft - HP ZMOLY-4 Notes 71-90 Moly cam paste with 2500 ppm of ZDDP. 4 oz. brush top jar. 13.78 View Full Detail
Camshaft - HP ZMOLY-5 Notes 71-90 Moly cam paste with 2500 ppm of ZDDP. 5/8 oz. pack. 3.87 View Full Detail
Valve - Exhaust V1805 Notes 73-80 .3720" stem. 1.405" head. 4 groove. 6.64 View Full Detail
Valve - Intake V1804 Notes 73-80 .3715" stem. 1.787" head. 4 groove. 4.98 View Full Detail
Valve - Exhaust (O/S Stem And Head) E1853 Notes 81-90 .3865" stem. 1.436" head. Single groove. (8 pack). 61.04 View Full Detail
Valve - Exhaust (O/S Stem And Head) E1583B Notes 81-90 .3865" stem. 1.436" head. Single groove. (80 / bulk). N/A View Full Detail
Valve - Intake (O/S Stem And Head) I1804 Notes 73-80 .3842" stem. 1.817" head. 4 groove. (6 pack). 34.40 View Full Detail
Valve - Intake (O/S Stem And Head) I1804B Notes 73-80 .3842" stem. 1.817" head. 4 groove. (80 / bulk). 382.16 View Full Detail
Valve - Intake (O/S Stem And Head) I1852 Notes 81-90 .3842" stem. 1.817" head. Single groove. (6 pack). 34.40 View Full Detail
Valve - Intake (O/S Stem And Head) I1852B Notes 81-90 .3842" stem. 1.817" head. Single groove. (80 / bulk). 382.16 View Full Detail
Valve Keeper EPC766-HD Notes 71-80 4 groove. Heat treated. (200 pack). 41.54 View Full Detail
Valve Keeper EPF613-HD Notes 71-90 1 groove. Heat treated. (200 pack). 33.24 View Full Detail
Push Rod EPR353 Notes 83-90 Int. & Exh. 9.700" O.A.L. Ex. Engine build code stamped on right side of block with 4th digit M. (4 pack). 7.62 View Full Detail
Rocker Arm ERK5512 Notes 83-90 Rocker arm kit. Contains (2) arms, (2) pivots & (1) bridge. Bridge for cylinders 3 & 4 not included. 15.97 View Full Detail
Valve Spring ERV1082 Notes 76-90 Int. & Exh. Without rotator. 2.034" O.A.L. 8.26 View Full Detail
Valve Guide GD6108 Notes 71-90 Intake. .3740 x .5020 x 2.375". Plain ID. Iron. (4 pack). 4.16 View Full Detail
Valve Guide GD9108 Notes 71-90 Intake. .3740 x .5020 x 2.375". Spiral ID. Iron. (4 pack). 4.05 View Full Detail
Valve Seat ST18751 Notes 71-90 Intake. 1.625 x 1.8810 x .2500". 45 Deg. Hi-Chrome Cast. (4 pack). 6.82 View Full Detail
Valve Seat ST15001 Notes 71-90 Exhaust. 1.250 x 1.5045 x .2188". 45 Deg. Hi-Chrome Cast. (4 pack). 6.93 View Full Detail
Piston Set P1519(6) Notes 71-78 D shaped dish top .120" deep. 1.581" CH. Use R37556 rings. 138.33 View Full Detail
Piston Set P3067(6) Notes 79-90 D shaped dish top .185" deep. 1.630" CH. Use R37556 rings. 132.35 View Full Detail
Piston Ring Set R37556 Notes 71-90 Cast. 5/64 5/64 3/16". 20.70 View Full Detail
Bearing Set - Rod BB612J Notes 71-90 13.78 View Full Detail
Bearing Set - Main BC315J Notes 71-90 27.25 View Full Detail
Bearing Set - Cam CC480 Notes 71-90 13.78 View Full Detail
Oil Pump EP81 Notes 71-82 W/o side tab on pump cover plate. 74.70 View Full Detail
Oil Pump EPK103 Notes 81-90 With side tab on pump cover plate. Enginetech 'Pressure King" pump. 39.73 View Full Detail
Oil Pump EP81A Notes 81-90 With side tab on pump cover plate. 67.78 View Full Detail
Expansion Plug Kit PK17 Notes 71-90 Steel plugs. 2.76 View Full Detail
Expansion Plug Kit PK17B Notes 71-90 Brass plugs. 14.34 View Full Detail
Headache Kit HK113 Notes 71-90 Small parts hardware kit. 6.86 View Full Detail