Ultra-Light - Crower

312CRANKSHAFT• Forged or billet, USA milled,premium 4340 chromoly material.• Choice of Enduro, Standard, LightWeight or Ultra-Lightdesign.• Available for most applications in your choice of strokeand journal diameter.• Maximum radii journals provide even load distribution forextended crank, connecting rod and bearing life.• Crower heat-treat produces unrivaled structural integrityand core strength.• Nitriding increases surface hardness.• Exclusive Crower “straight-shot” oiling enhances journallubricationat every degree of the crankshaft’s rotation.• Lightweight profiling, lightening holes, and centercounterweightremoval available upon request.• Minimum “heavy-metal” balancing.• Precision end-to-end indexing and stroke accuracyguarantees trueto blueprint specifications.CONNECTING RODS• Forged or billet 4340 chromoly or6AL4V billet titanium. Choose from avariety of beam widths.• H-11 tool steel cap screw bolts rated at 220,000p.s.i. For AMS5844 bolts (280,000 p.s.i.), specify“UPG”.• Clover leaf journal pads assure constant, trueround tracking and even bearing seating.• Reinforced pin end eliminates pin bind andpinch.• Double ribbed cap for non-flex performance.• Excellent combination of tensile and shearstrength properties and unrivaled Crowercraftsmanship that cannot be duplicated.PISTONS• Your choice of brand (JE, Ross, Arias, Wiseco, CP,SRP, etc...).• Your choice of compression ratio, borediameter and pin boss location.• Choice of valve pocket dimension.• Maximum possible pin boss/pin seat area prevents pinflex and hole elongation.• Lightweight design for quick acceleration and deceleration.• Your choice of dome or flat top design.Engine kitsINSTANT HORSEPOWER AND TORQUEGet your hands on one of Crower’s completebottom end assemblies and you’ll instantlydiscover just how much potential your motorreally has to offer. After an extensive “research &development” program, which included hoursof rigorous dyno and track testing, Crower hasdeveloped a vast selection of correct crank,rod and piston combinations that will satisfyany performance requirement. You'll benefitfrom our research, field testing and ability tosupply matched and balanced components thatfunction in harmony to provide you the torqueand horsepower you need, when you need it.Our “one-stop-shopping” format makes it easyto obtain a Crower rotating assembly that willarrive at your door totally system balanced,matched and ready to install. The kits listedon the following pages are among our mostpopular crank, rod and piston combinations.However, if you need a combination that isnot shown, feel free to “mix & match” thecomponents to create your own kit design. CallCrower’s tech line for pricing and availability.45BEARINGS• Premium quality rodand main bearings.• Features highstrength trimetalcopper-lead inthe load areafor superiorembedding.• Lead overplate provides exceptional fatiguestrength and conformability to compensate fordistortion and misalignment at high engine rpm.• High strength steel back.PINS• Premium H-11 tool steel.• Precision ground with orwithout tapered wall crosssection.• Lightweight design.6RINGS• Speed-Pro orTotal Seal brandplasma-moly top ringsprovide proper lubrication.• Offers maximum assuranceagainst galling and scuffing.• Gap-less rings available.EACH KIT CONSISTS OF:• Crower crankshaft• Crower connecting rods• Choice of pistons• Rod and main bearings• Plasma-moly rings• H-11 wrist pins• System balanced (extra charge)7TOTAL SYSTEM BALANCEDTotal System Balancing is done in-house at the Crowercrankshaft facility. State-of-the-art Hinesbalancing equipment providesthe most accurately matchedassembly possible. Thisservice allows for immediateengine assembly, troublefreeof oversights and costlycoordination errors. You’ll saveboth time and money, whilereceiving the finest rotatingassembly available on themarket. Balancing is an extracharge.For technical support call 619-661-6477 (7am to 5pm PST) • 24 hour fax: 619-661-6466 • www.crower.com 215

Engine KitsSmall Block Chevrolet V8PURE-STOCK®PURE-STOCK CRANK • SPORTSMAN RODSWhen the rules call for a “bone stock” crankand rods, this is the kit you need.STOCK-PLUS®STOCK-PLUS CRANK • SPORTSMAN RODSMost economical. Lightened stock GM crank,system balanced, perfect for stock restrictedapplications.ENDUROENDURO CRANK • SPORTSMAN or BILLET RODSForged 4340 Enduro crank w/choice ofSportsman or billet rods. Inexpensive, veryreliable. Race or street.STANDARDSTANDARD CRANK • SPORTSMAN or BILLET RODSForged 4340 Standard crank w/choice of Sportsmanor billet rods. The original Crower engine kit.1234Part No.9551095511Pictured is an Ultra-Light kit (96011)with an Maxi-Light crank and Steelrods. All kits include pistons, pins,rings, rod and main bearings.DescriptionSB Chevy, Pure-Stock Crank w/Sportsman Rods (SP)SB Chevy, Pure-Stock Crank w/Stroker Sportsman Rods (SSP)Note: Pure-Stock crank only available in 3.480" stroke. Specify 5.7" or 6.0" rod length.Part No.9550095501DescriptionSB Chevy, Pure-Stock Crank w/Sportsman Rods (SP)SB Chevy, Pure-Stock Crank w/Stroker Sportsman Rods (SSP)Note: Stock-Plus crank only available in 3.480" stroke. Specify 5.7" or 6.0" rod length.Part No.955029550395506Part No.9600096002DescriptionSB Chevy, Enduro Crank w/Sportsman Rods (SP)SB Chevy, Enduro Crank w/Stroker Sportsman Rods (SSP)SB Chevy, Enduro Crank w/Billet Rods (B, SB M, LW, UL, ML)DescriptionSB Chevy, Standard Crank w/Sportsman Rods (SP)SB Chevy, Standard Crank w/Billet Rods (B, SB M, LW, UL, ML)LIGHTWEIGHTLIGHTWEIGHT CRANK • SPORTSMAN or BILLET RODSForged 4340 LightWeight crank w/choice ofSportsman or billet rods (steel or titanium). Greatlight weight package.5Part No.960069600896009DescriptionSB Chevy, LightWeight Crank w/Sportsman Rods (SP)SB Chevy, LightWeight Crank w/Billet Rods (B, SB M, LW, UL, ML)SB Chevy, LightWeight Crank w/Billet Titanium Rods (T, ST)ULTRA-LIGHT®ULTRA-LIGHT CRANK • BILLET RODSForged 4340 Ultra-Light crank w/choice of billetrods (steel or titanium). Best possible acceleration,low drag.2166Part No.9601096011DescriptionSB Chevy, Ultra-Light Crank w/Billet Rods (B, SB M, LW, UL, ML)SB Chevy, Ultra-Light Crank w/Billet Titanium Rods (T, ST)For technical support call 619-661-6477 (7am to 5pm PST) • 24 hour fax: 619-661-6466 • www.crower.com