Lunati Connecting Rods by Holley Performance Products, Inc.

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

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Catalog Lunati Connecting Rods

lunati connecting rods 4340 pro mod rods connecting rods chevrolet big block ampco 18 bronze bushing ford 302 boss connecting rods ls1 connecting rod length 4340 alloy steel connecting rod chevrolet 400 connecting rod length chevrolet 400 connecting rods length lunati pro mod rods lunati cams small block chevy lunati crank small block chevy lunati piston part numbers ampco bushing pistons chevrolet small block 400 tm www lunaticamshafts com ampco 18 connecting rods bushings connecting rods journals chevrolet lunati rods lunati 4340 pro crank ampco rod bushings cams lunati oval track lunati rods big block chevy lunati cams oval track racing lunati engin kits lunati cams big block chevy lunati big block chevy cams lunati cams small block ford lunati cams part numbers find lunati cam part number chevrolet 350 for 6 inch rod piston lunati for 302 engine lunati cams by holley performance products inc ampco bushing bronze bushing ampco boss 302 pistons 351c 68 ford 302 boss pistons press fit bushing 187 computer cams big block chevy holley lunati lunati products lunati performance cams lunati lunaty lunati cams lunati pistons lunati piston pistons lunati lunati cam cams lunati lunati cranks lunati crank lunati racing cams lunati crankshafts lunati crankshaft lunati 302

Lunati Connecting Rods is listed under these categories

Automotive > Parts & Accessories > Car & Truck Parts > Engines & Components > Camshafts Lifters & Parts

Featured catalog pages of Lunati Connecting Rods

Holley Performance Products, Inc., Lunati Connecting

connecting rods connecting rod technical information cams valve train engine kits apparel cranks rods pistons machining tolerances connecting rods probably receive the highest stresses of any bottom end engine component the forces the rod receives when the piston direction reverses from top dead center can exceed 12,000 lb in a 500 c.i pro stock engine this is why lunati rods are forged from the finest premium quality 4340 alloy steel for strength and utilize lunati/arp rod bolts for superior clamping forces on the rod journal closer tolerances and pride in workmanship along with strict quality control are what makes lunati connecting rods the only logical choice for serious racers we at lunati feel the no other manufacturer will hold the close machining tolerances in manufacturing that we do our tolerances speak for themselves center to center distance ± .0001 bend and twist ± .0005 over 2.000 rod width ± .001 rod offset ± .002 large end bore ± .0001 small end bore ± .0001

cams selecting a lunati connecting rod set for your engine valve train 1 part number laa1 lab1 lac1 lad1 lae1 locate the connecting rod section that meets the horsepower expectations of your engine pro mod pro billet etc 2 width .940 .940 .940 .940 .940 weight 635-640 640-645 640-645 650-655 655-660 select the engine family of your engine 4340 steel billet pro billet connecting rods pistons chevrolet small block length 5.700 5.850 5.875 6.000 6.125 big end diameter 2.100 2.100 2.100 2.100 2.100 small end diameter .927 b .927 b .927 b .927 b .927 b horsepower rating 900 900 900 900 900 rods cranks 3 select the desired rod lengths for each engine family engine kits still can t find what you need just call lunati s rod pros at 662-892-1500 apparel tech line 662-892-1500

connecting rods connecting rod tech street race rods cams pistons valve train what connecting rod length should i use connecting rod length is measured between the centers of the big end journal end and the little end piston pin end below is a table with stock connecting rod lengths for various engine families rod length rods chevrolet v-8 connecting rod lengths displacement cubic inches liters rod length inches ford v-8 connecting rod lengths displacement cubic inches liters rod length inches 289 302 302 boss 302 svo 351 w 69 70 351 w 71 96 351 svo 9.2 351c boss 351m 429 std 68 70 429 std 70 1/2 71 429 cj/scj 72 73 429 boss s 429 boss t 460 281 modular 331 modular 4.7 5.0 5.0 5.0 5.8 5.8 5.8 5.8 5.8 7.0 7.0 7.0 7.0 7.0 7.5 4.6 5.4 5.1550 5.0900 5.1500 5.1500 5.9560 5.9560 5.7800 5.7800 6.5800 6.6050 6.6050 6.6050 6.5490 6.6050 6.6050 5.9331 6.6575 cranks 302 305 327 350 350 lt5 350 ls1 383 400 396 402 427 454 502 377 4.9 5.0 5.4 5.7 5.7 5.7 6.3 6.6 6.5 6.6 7.0 7.4 8.2 6.2

cams 4340 forged steel street racetm connecting rods available in the popular small block chevy 5.700 and 6.000 rod lengths and the ford windsor 5.400 rod length the street race rod is forged from premium 4340 alloy steel and utilizes the lunati 187.000 psi cap screws rather than the typical nut and bolt arrangement this provides superior clamping force on the rod journal the small end uses a full floating ampco bronze bushing however it is also available as a press pin fit on the 5.700 rod the entire rod surface is shot peened and stress relieved to improve overall appearance the street race rod comes in weight matched sets to facilitate balancing and has passed the 10 million cycle test for strength and durability the street race rod is suited for approximately 450 hp 7000 rpm in street bracket and oval track applications full floating bronze ampco bushing valve train shot peened stress relieved pistons forged in the u.s.a from premium quality 4340 alloy steel rods cranks 187,000

connecting rods pro mod rods cams 4340 forged steel pro modtm connecting rods lunati s pro mod connecting rod is stronger and lighter than most other steel connecting rods made from aircraft quality 4340 certified material the pro mod connecting rod is the one that is most often chosen by leading engine builders and it s approved by nhra custom profiled on state-of-the-art cnc machining centers the big end features an all new cam cut that greatly reduces the need to modify the connecting rod in long stroke applications quality 7/16 lunati 187,000 sb-pro/220,000 bbpro rod bolts are used in all rods connecting rod sets are weight matched to ± 1.5 grams per end the small end is fitted with an ampco 18 bronze bushing pro mod rods are available in standard and super duty configurations the standard series is good for medium to high horsepower and torque applications for street strip road race and oval track applications each small block rod weighs approximately 625 grams the super duty

cams 4340 forged steel pro modtm connecting rods chevrolet small block part number laa1 lab1 lac1 lad1 lae1 length 5.700 5.850 5.875 6.000 6.125 big end diameter 2.100 2.100 2.100 2.100 2.100 small end diameter .927 b .927 b .927 b .927 b .927 b width .940 .940 .940 .940 .940 weight 635-640 640-645 640-645 650-655 655-660 horsepower rating 900 900 900 900 900 valve train pistons chevrolet small block part number ladd length big end diameter 2.100 6.000 super duty series small end diameter .927 b width weight horsepower rating 950 .940 685-690 rods chevrolet ls1 new part number lte1 length 6.125 big end diameter 2.100 small end diameter .927 b width .940 weight 665-670 horsepower rating 900 cranks chevrolet big block part number lbf1 lbj1 lbl1 lbm1 lbn1 lbo1 length 6.135 6.385 6.535 6.635 6.660 6.700 big end diameter 2.200 2.200 2.200 2.200 2.200 2.200 small end diameter .990 b .990 b .990 b .990 b .990 b .990 b width .992 .992 .992 .992 .992 .992 weight 850-855 850-855 870-875

connecting rods pro billet rods cams 4340 steel billet pro billettm connecting rods the lunati pro billet series connecting rod used by professional race engine builders all over the country exacting tolerance and precision weight matching make this rod an easy replacement for competitor s billet rods without extensive rebalancing a typical 6.00 small block chevy rod weighs 670 grams plus the lunati pro billet rod is stronger and more durable than comparable billet steel rods on the market the quality of the 4340e billet is undisputed and serious racers know that demanding conditions require the very best parts available lunati s pro billet rod is computer designed and cnc profiled to be stronger lighter and more durable than all other billet rods being offered the exclusive barrel shaped beam and rounded end are designed to reduce stress risers and create a smooth flow that compliments the natural grain of the billet the big end was configured with the cam cut necessary for longer

cams 4340 steel billet pro billet tm connecting rods chevrolet small block part number laa2 lab2 lad2 lae2 lag2 lah2 length 5.700 5.850 6.000 6.125 6.200 6.250 2.100 2.100 2.100 2.100 2.100 2.100 standard series valve train big end diameter small end diameter .927 b .927 b .927 b .927 b .927 b .927 b width .940 .940 .940 .940 .940 .940 weight 660-665 660-665 665-670 665-670 670-675 670-675 horsepower rating 1200 1200 1200 1200 1200 1200 part pistons ford small block standard series length number lmt2 big end 5.400 small end diameter 2.100 width diameter .927 b weight .832 horsepower 595-600 1200 rating gm ls1 super light series part number lte9 length 6.125 big end diameter 2.100 small end diameter .927 b width .940 weight 630-635 horsepower rating 1100 rods cranks chevrolet small block part number lad3 lad9 lae3 lae9 lag3 lag9 lah9 length 6.000 6.000 6.125 6.125 6.200 6.200 6.250 2.000 2.100 2.000 2.100 2.000 2.100 2.100 super light series small end diameter .927 b .927 b .927 b .927

connecting rods pro billet rods rod bolts lube cams 4340 steel billet pro billet tm connecting rods chevrolet small block valve train part number labe lade laee length 5.850 6.000 6.125 2.100 2.100 2.100 super duty series small end diameter .927 b .927 b .927 b width .940 .940 .940 weight 710-715 715-720 720-725 horsepower rating 1250 1250 1250 big end diameter chevrolet big block standard series pistons part number lbf2 lbj2 lbl2 lbo2 lbp2 length 6.135 6.385 6.535 6.700 6.800 big end diameter 2.200 2.200 2.200 2.200 2.200 small end diameter .990 b .990 b .990 b .990 b .990 b width .992 .992 .992 .992 .992 weight 825-830 835-840 845-850 855-860 865-870 horsepower rating 1350 1350 1350 1350 1350 cranks rods apparel engine kits pro blowertm cranks are available on pg.279 272

replacement rod bolts and moly lube replacement bolts lunati replacement rod bolts are rated from 180,000 psi to 220,000 psi depending upon application these bolts are stress relieved features 12 point hex caps and rolled threads cams valve train pistons part number crb150 crb155 crb160 length 1.400 1.400 1.585 application billet bb sb pro mod bb pro mod sb street race rod rods rod bolt lube this is not an ordinary lubricant a specially formulated moly base made to strict specifications we recommend its use to consistently achieve the exact amount of fastener preloading and precise clamping forces the friction coefficient of lubricants varies dramatically some are slicker than others tightened dry unplated fasteners use about 85 of the applied torque simply overcoming friction between the male and female threads so that all lunati fasteners maintain the highest service level we calculate and verify their preloads using superior grade moly lubricant this lube may also be used for

rods crankshafts rod installation crank tech info cams pistons valve train connecting rod installation 1 apply the molybdenum base lubricant part crl 100 under the head of the bolt and on the threads rods cranks 3 2 274 with the bolts installed hand tight install the gauge and zero the dial indicator the stretch gauge must fit into the dimples on each end of the bolt alternating from one side of the rod to the other tighten the bolts until the bolt stretches .0050.0054 on pro-mod and pro billet rods and .0039 0043 on street race rods engine kits lunati does not recommend the use of a torque wrench to install the rod bolts errors due to friction calibration and technique can lead to improper bolt stretch and can cause rod failure only as a last resort should a torque wrench be used apparel do not stamp the rod numbers on the rods etch the numbers stamping will distort the roundness