Lunati Crankshafts by Holley Performance Products, Inc.

More catalogs by Holley Performance Products, Inc. | Lunati Crankshafts | 12 pages | 2007-02-12

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Automotive > Parts & Accessories > Car & Truck Parts > Engines & Components > Crankshafts & Parts

Featured catalog pages of Lunati Crankshafts

Holley Performance Products, Inc., Lunati

cams lunati 4340 non twist steel crank forging lunati s big block and small block chevy crankshafts are forged from the finest 4340 aircraft quality certified steel the 4340 alloy steel meets aircraft cleanliness and purity standards our exclusive non-twist design allows for continuous granular flow producing a crankshaft with a higher cycle bending fatigue over the twisted forging version valve train design specifications the specifications during manufacturing are of the highest lunati standards for racing use it is necessary that we improve on factory standards we have done this with the material as well as the machining · · · · · all radii in the rod and main journals are .140 roundness of each journal is within .0001 or less micro finishing of the journals are a grade 5 rms or better crankshaft stroke is ±.001 maximum induction hardened 360º to depth of .055 for less bearing journal wear pistons oiling technology the oiling system is similar to gm s factory specification

crankshafts sledgehammer® pro seriestm crankshafts cams sledgehammer® crankshafts valve train new crankshafts ® design specifications · · · · · forged cranks for the budget minded racer 4340 forged non-twist steel nitride heat treated and sonic cleaned pin arms edged and detailed counterweights clearanced for a 5.700 rod stroke 3.480 3.750 3.750 pistons · comes with a protective oil coating · mallory added to improve balancing mallory in cj115an only main size 2pc-2.448 2pc-2.448 1pc-2.448 pin size 2.100 2.100 2.100 minimum rod length 5.700 5.700 5.700 rods cranks engine kits part number af115an aj115an cj115an pro seriestm crankshafts lunati pro series forged crankshafts are manufactured from the highest quality 4340 certified steel the 4340 material meets all aircraft quality standards for material cleanliness and purity standards lunati pro series crankshafts are manufactured to exacting specifications and are held to strict tolerances note apparel design specifications

cams pro seriestm crankshafts small block chevrolet v8 pro series crankshafts valve train note must use chamfered bearings part number ad111dn ae111dn ax111dn af111dn ag111dn at111dn ah111dn aj111dn aj211dn ak211dn am111dn am211dn ao111dn ao211dn au211en ap211en stroke 3.000 3.250 3.350 3.480 3.500 3.550 3.625 3.750 3.750 3.800 3.875 3.875 4.000 4.000 4.125 4.250 main size 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.648 2pc-2.648 2pc-2.448 2pc-2.648 2pc-2.448 2pc-2.648 2pc-2.648 2pc-2.648 pin size 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 2.100 minimum rod length 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.000 6.125 6.125 pistons rods big block chevrolet v8 pro seriestm crankshafts cranks note must use chamfered bearings engine kits part number bj421in bo421in bu421in bp421in bb421kn bq421kn br421mn bs421mn bn421mn bv4211n b54211n stroke 3.750 4.000 4.125

crankshafts pro seriestm pro lighttm nascar® hooters® nascar® late model stock pro blowertm series crankshafts cams pro seriestm crankshafts chevrolet ls1 v8 lunati pioneered the development of the 4340 forged performance crankshaft for the ls1 engine configuration now you can enjoy that same level of performance by installing this custom crankshaft in your ls1 engine the crankshaft comes complete with reluctor ring installed and pricing includes balancing did you know lunati also offers cams rods for your ls1 pistons valve train part number jh711er jo711er ju711er jl711er stroke 3.622 4.000 4.125 4.185 main size 2.559 2.559 2.559 2.559 pin size 2.100 2.100 2.100 2.100 minimum rod length 6.125 6.125 6.125 6.125 rods engine kits apparel cranks pro light seriestm specialty crankshafts lunati prides itself in manufacturing specialty crankshafts designed exclusively for demanding applications these crankshafts meet the stringent specifications of the pro series line with additional

cams nascar ® rule series lunati engineers designed the nascar series cranks to make it easy to buy a crank for the stock series requiring crank weights in the 50 lb range the cranks come rough or finished balanced to your bob weight see chart below these crankshafts have the rear of the counterweight squared all rod journals are drilled and the counterweight heights will accommodate a 5.700 rl they are designed for quick acceleration with superior oil control and are currently available in 3.480 stroke and 2.100 rod journal with 350 mains part number af112an stroke 3.480 main size 2pc-2.448 pin size 2.100 minimum rod length 5.700 bobweight range 1351-1750 average weight 52-54 valve train hooters ® cup series lunati engineers designed this crankshaft series specifically the hooters cup series the stroke is 3.480 with 2.000 rod journals and 350 mains the leading edge of the crank is bull-nosed and the trailing edge of the counterweights are squared the counterweights will clear a

crankshafts racer seriestm crankshafts cams pistons valve train racer seriestm crankshafts small block chevrolet v8 racer series crankshafts lunati introduced the racer series crankshafts as an affordable alternative to the pro series crankshafts the #1 and 4 rod journals are drilled to lighten and facilitate balancing the same high standards as the pro series apply to this crankshaft with the exception that there is no contour work done the small block chevrolet racer series crankshaft is only available in 3.480 3.500 3.750 and 3.875 stroke note must use chamfered bearings part number af117dn ag117dn aj117dn aj217dn cj117bn cm117bn stroke 3.480 3.500 3.750 3.750 3.750 3.875 main size 2pc-2.448 2pc-2.448 2pc-2.448 2pc-2.648 1pc-2.448 1pc-2.448 pin size 2.100 2.100 2.100 2.100 2.100 2.100 minimum rod length 6.000 6.000 6.000 6.000 5.850 5.850 cranks engine kits rods big block chevrolet v8 racer seriestm crankshafts note must use chamfered bearings apparel part number bo427in bp427in

cams the truth about induction hardening it has been advertised by our competition that their product is induction hardened when in reality they have only induction hardened their economic cranks to a .006 depth 240 degrees around the journal lunati s induction hardened crankshafts have been induction hardened 360 degrees around the journal surface to a depth of .055 this means 1 lunati crankshafts are stronger 2 lunati cranks will have less bearing journal wear 3 lunati cranks can be refurbished for less because a regrind will not penetrate the heat treat depth buy the lunati ford crankshaft if you want what you are paying for valve train what s new on the ford line all lunati ford crankshafts are now induction hardened but we didn t stop there we also increased our rod journal lightening hole diameter from a 7/8 straight hole to a 1 angle hole on each side of the pin journal this removes more inertial weight from the crankshaft and also increases the strength of the journal by

crankshafts nascar® hooters® series crankshafts cams valve train nascar® rule series ford crankshafts lunati engineers designed the nascar series cranks to make it easy to buy a crank for the stock series requiring crank weights in the 50 lb range the cranks come rough or finished balanced to you bob weight see chart below these crankshafts have the rear of the counterweight squared all rod journals are drilled all rod journal arms are profiled and the counterweight heights will accommodate a 6.000 rl they are designed for quick acceleration with superior oil control and are currently available in 3.500 stroke and 2.100 rod journal with 302 mains part number mga12dn stroke 3.500 main size 2.250 pin size 2.100 minimum rod length 6.000 bobweight range 1351-1750 average weight 47-49 cranks rods pistons hooters® cup series ford crankshafts engine kits lunati engineers designed this series of crankshafts specifically for the hooters cup series the stroke is 3.500 with 2.00 chevy rod

cams main rod bearings the alecular material used in lunati bearings allows a high degree of conformability over other race bearings whether you use steel or aluminum rods imbedability is four times greater than other bearings plus they will not flake the fatigue point of alecular material is 1100º f while babbit overlay is only 400º f thickness tolerancing is held 0001 making lunati bearings an excellent choice for road racing oval track and drag racing rod and main bearings are available 001 009 -010 -011 std 001 019 020 021 and 030 and rod bearings are available with or without dowel pin holes contact a lunati consultant for over or undersized bearings lunati alecular racing bearings are chamfered to fit lunati camshafts valve train pistons part cr848hp cr849hp cr850hp cr851hp cr852hp cr853hp cr854hp cr855hp cr867hp description sbc 2.100 rod set bbc 2.200 rod set sbc 2.100 rod w dowel hole sbc 2.000 rod set sbc 2.000 rod w dowel hole bbc 2.200 rod w dowel hole ford

crankshafts custom crankshaft form crank shop services cams apparel engine kits cranks rods pistons valve train custom and balanced crankshaft specification form name date address city state zip phone fax engine size crank series cubic inch pro type racer sbc 2pc seal nascar sbc 1pc seal bbc blower bbc hooters cup ls1 special f302 svo inertia light f302 standard all pins f351c svo all pins except outside 1 4 f351c standard none bb hemi limited supply qty=1 co090 special gun drill stroke yes custom qty=1 co280 no mains qty=1 co011 sbc 283 rod length sbc 350 type of balance sbc 400 balance to lunati components bbc balance to non-lunati components ls1 rough f302 svo finish f302 standard internal f351c svo external f351c standard external-single massfirebirds/camaros bb hemi limited supply external-dual masscorvettes special pistonsgrams custom qty=1 co280 ringsgrams pin diameter rod big endgrams 1.888 honda rod small endgrams 2.000 piston

cams custom and balanced crankshaft specification form snout keyways bbc snout dia on sbc crank 3/16 size sbc ls1 ford sbc length 1/4 size bbc bbc length location degrees from 1 pin special 0 degrees qty=1 co345 180 degrees narrow counter weights for light qty=1 co140 per keyway weight crankshafts flange style yes scallop 6 lug no qty=1.3 co519 qty=1 co001scallop 4 lug-sprint qty=1.3 co519 round diameter qty=1 co519 notes valve train pistons crank shop services part co001 co005 co020 co050 co055 co060 co065 co090 co120 co130 co140 co160 co190 co280 co345 co519 description narrow counterweight sbc scallop flange turning counterweight od balance crankshaft additional balancing sbc 1575 or less bbc 2170 or less each piece of heavy metal each 1/2 piece of heavy metal inertia light pro series crankshaft rough balancing within 50 grams drill flange bolts to 1/2 machine single keyway drill/tap crank nose for oversize bolt plasma heat treat custom stroke/pin diameter on lunati