Catalog: Crankshafts and Crank Kits
Company/Brand: NAPA
crankshaft and rod and main bearings in Crankshafts and Crank Kits by NAPA
minimum order blueprint series cranks and crank kits bp kbp prefix part numbers ... monday except on holidays alaska and hawaii only an additional $30 charge ... per crankshaft kbp bp cranks are premium true indexed ... blueprint series crankshafts and include bolt protectors plastiguage ... detailed instructions and superior packaging crank kits also ... include rod and main bearings value line crank kits kvl prefix part ... center for credit · understanding crankshafts the crankshaft transfers the energy ... a rotating motion all engine horsepower and torque are transferred through this ... piece of metal under deceleration the crankshaft is used as a brake absorbing the ... by compressing cylinder gasses since crankshaft failure could lead to catastrophic ...

specifies dimensions surface finishes and the shape these specifications control ... the strength and durability of the crankshaft simply regrinding the crankshaft versus ... restoring the crankshaft will not return it back to its original ... strength and durability let s look at the key ... elements of a crankshaft that control its strength and ... to withstand maximum load capacity and to maintain sufficient lubricating oil ... thus ensuring against failure when a crankshaft is repaired worn journal surfaces are ... grinding the journal surface has peaks and valleys from the grinding wheel ... finishes is very significant here s why bearings hi-tech 78 series material combined ... burnishing is commonly done by low cost crankshaft suppliers that simply regrind cranks if ...

hi-tech blueprint series restored crankshaft cleaning each unit is thermal-baked and ... brushes in addition after machining and polishing the cranks are power washed ... and the oil holes are cleaned again journal ... finish promotes longevity runout total main bearing runout is measured at 0.0000 ... which controls the strength of the crankshaft is ground to the o.e blueprint spec ... is hand deburred dimensional the size and out of round spec is controlled to 0. ... completely displaces any moisture and oxygen normal heating of the journal ... elimination of surface cracks porosity and breakage of journals due to weld ... at 550 degrees fahrenheit until stable and shot peened in a 4-minute cycle ... manufacture hi-tech blueprint series crankshafts receive a rust inhibitor and are foamed ...

w/1.030 od hole in flywheel end of crankshaft forging #g1 reman bp6501 1.5l/89.6/ ... 1988-85 to 1/1/89 w/auto trans w 850 rod brg width forging #g1 bp6514 1988-85 to ... 1/1/89 w/man trans w 850 rod brg width forging #g1 reman bp6501 ... reman 1994-89 from 1/1/89 w 787 rod brg width forging #g1 bp6519 1.6l/97.3/ ... engine t engine reman 1993-92 g64b w 3 main thrust 1.145 colt vista forging #64 ... bp6525 reman 1994-93 4g64 w 3 main thrust 1.005 colt vista forging #at1 k ... breeze stratus cirrus forging #4621916 crankshaft has notches cut in bp3043 #2 ... engines forging #53 auto trans w/rear main journals 2.598 1978-78 reman bp6512 ... reman 1978-78 man trans w/rear main journals 2.598 forging #53 bp6513 ... main bearing locating tang location ...

rotation w/2 pc rear seal whalf groove main bearing reman standard rotation w1 pc ... rotation w/2 pc rear seal w/full groove main bearing 7.5l/460 v8 4.360 ohv ford ... rotation w/1 pc seal w/o hole in #1 rod throw reman 1992-98 standard rotation w ... /1 pc seal w/hole in #1 rod throw forging #3788424 3820618 5743013 ... engine reman standard rotation w/2.448 main brg standard rotation w/2.298 main brg ...
rotation w/1 pc seal w/o hole in #1 rod throw forging #480 640 865 10055480 ... rotation w/1 pc seal w/hole in #1 rod throw forging #480 640 865 10055480 ... 250hp reman standard rotation w/2.448 main brg forging #1130 4672 3911001 3941174 ... 4577 3782680 standard rotation w/2.298 main brg kbp1046 reman bp1046 5.7l/350 v8 4. ... rotation w/2 pc rear seal w/full groove main bearings forging #3c 3m 3ma 7m 7ma c9oe ... rotation w/2 pc rear seal w/half groove main bearings kbp2017b reman bp2017 7.0l/427 ...
rotation w/1 pc seal w/o hole in #1 rod throw reman 1992-98 standard rotation w ... /1 pc seal w/hole in #1 rod throw forging #460407 2779954 3876802 ... rotation w/2 pc rear seal w/half groove main bearings forging #3c 3m 3ma 7m 7ma c9oe ... rotation w/2 pc rear seal w/full groove main bearings forging #3c 3m 3ma 7m 7ma c9oe ...

stroke use with block final cu in rod length w 030 block piston availability ... strength lightening holes in all rod throws fully radiused counter weights ... precision ground and micro polished journals manufactured ... availability of 100 new high quality crankshafts these crankshafts offer numerous ... been available to the aftermarket and are much stronger than o.e cast iron ... ductile material for less impurities and greater molecular bonding benefits ... include increased fatigue life and bearing surfaces that actually improve ... to maximize their effectiveness for crankshaft balance process most aftermarket cranks ... on this process by utilizing superior and more expensive permanent shell core ... special gas relief gates that allow air and other non-solid compounds to escape ... greater density higher yield strength and a superior journal finish in addition ...

stroke use with block final cu in rod length w 030 block comments continued ... can use 350 pistons if stock length 400 rods 5.565 are used if stock length 350 ... rods 5.700 are used special 383 pistons ... can use 350 pistons if stock length 400 rods 5.565 are used if stock length 350 ... rods 5.700 are used special 383 pistons ... balance must use special 383 6 rod pistons for externally balanced 383 ... engines with 6 rods use crank #c383 for use with one piece ... rear main seal found in late model applications ... can use 350 pistons if stock length 400 rods 5.565 are used if stock length 350 ... rods 5.700 are used special 383 pistons ... must be also be purchased 350 main size can use pistons designated for use ... been clearanced for use with 350 or 400 rods lightweight 400 crank 47 lbs .125 ...

stroke use with block final cu in rod length w 030 block comments piston ... the features shown on page 102 plus · rod journal diameter has been sized for big ... block chevrolet rods · clearanced for 6.635 rod length ... with aftermarket big block chevrolet rods 6.635 minimum length use with ... aftermarket big block chevrolet rods 6.635 minimum length use with ... aftermarket big block chevrolet rods 6.635 minimum length 7,000 rpm maximum ... cranks · · · · nitrided exact index and stroke chamfered oil holes cnc ... on all journals · stress relieved and shot peened 460 489 489 4130 forged ... crank use with .250 longer than stock rods lightening holes in all throws 4130 ... crank clearanced for stock length rods lightening holes in all throws iiiiii ... cranks · · · · standard size rod and main journals · eliminates the hassle of ...

information prior to balancing and installation of the crankshaft you must ... perform the following steps 1 clean the crankshaft thoroughly with solvent remove all ... protective packing grease and inspect the crankshaft especially all ... running surfaces rod and main bearing journals for any external ... have occurred during transit 2 clean and clear all oil passages with a small ... the removal of all packaging material and debris 3 check all threaded holes ... ground surfaces for packaging material and debris make certain all crankshaft ... surfaces are smooth and clean 4 measure all bearing journal ... measure the inside diameter of torqued bearings using a standard bore gauge 5 check ... both rod and main bearings to insure clearance of the fillet ...

runout total main bearing runout is measured at 0.0000 ... which controls the strength of the crankshaft is ground to the o.e blueprint spec ... is hand deburred dimensional the size and out of round spec is controlled to an ... completely displaces any moisture and oxygen normal heating of the journal ... elimination of surface cracks porosity and breakage of journals due to weld ... at 550 degrees fahrenheit until stable and shot peened in a 4-minute cycle ... manufacture hi-tech blueprint series crankshafts receive a rust inhibitor and are foamed ... distance between the center of the main journal and center of the rod journal ...