Page 7 of Flowtech Exhaust & Airmass Headers by Holley Performance Products, Inc.

2006 flowtech cat_layout 7/24/06 4:48 pm page 8 eo headers full length headers headers full length headers application year engine flowtech itm flowtech iitm pri tube standard ceramic col size ac transmission auto std col flr col flr footnotes flowtech truck headers block hugger headers chevrolet/gmc two wheel drive 1500,2500,3500 1 ton crew 1/2 3/4 ton 1/2 3/4 1 ton 1/2 3/4 1 ton 1/2,3/4 1 ton pu blazer/jimmy blazer/jimmy suburban suburban 88-95 88-91 66-72 73-87 68-87 88-91 68-87 67-87 73-91 73-91 s10/15 pu eng swap 82-93 s10 blazer swap 82-93 s10/15 pu blazer frame 82-93 mount kit 1/2 3/4 ton pu 5.0-5.7l 283-400 283-400 283-400 396-454 305-350 396-454 283-400 283-400 396-454 283-400 283-400 283-400 11504flt 11500flt 11500flt 11500flt 11530flt 11508flt 11530flt 11500flt 11500flt 11530flt 11502flt 11502flt 22609flt import headers 31504flt 31500flt 31500flt 31500flt 31530flt 31508flt 31530flt 31500flt 31500flt 31530flt 31502flt 31502flt 1-5/8 x3 1-1/2 x3 1-1/2 x3 1-1/2 x3 1-3/4 x3 1-1/2 x2-1/2 1-3/4 x3 1-1/2 x3 1-1/2 x3 1-3/4 x3 1-1/2 x2-1/2 1-1/2 x2-1/2 y 23 23 23 y y y 23 23 yooyyyyyyyyyyyynnnnyyynnyyynnynnynnnnooyyyynynyynoo 3,6,58,75,90 1,3,6,42,58 1,32,42,58 1,3,42,58 3,6,69 58,102,104 1,3,6,69 1,3,6,42,58 1,3,6,42,58 3,6,69 3,6,54,58,60 3,6,54,58,60 race headers dodge/plymouth two wheel drive glass pack mufflers 72-93 69-79 80-95 80-86 771/2-79 65-76 74-79 80-87 273-360 302w 302w 351-400m 351-400m 352-428 429 460 429 460 13500flt 12500flt 12502flt 12522flt 12506flt 12540flt 12564flt 12560flt 11504flt 11500flt 11530flt 11500flt 11508flt 11500flt 11506flt 11510flt 11510flt 11500flt 11500flt 11530flt 11506flt 11500flt 11500flt 11530flt 11506flt 33500flt 32500flt 32502flt 32522flt 32506flt 32540flt 32564flt 32560flt 31504flt 31500flt 31530flt 31500flt 31508flt 31500flt 31506flt 31510flt 31510flt 31500flt 31500flt 31530flt 31506flt 31500flt 31500flt 31530flt 31506flt 1-5/8 x3 1-1/2 x3 1-1/2 x2-1/2 1-1/2 x2-1/2 1-3/4 x3 1-3/4 x3 1-3/4 x2-1/2 1-3/4 x3 1-5/8 x3 1-1/2 x3 1-3/4 x3 1-1/2 x3 1-1/2 x2-1/2 1-1/2 x3 1-5/8 x2-1/2 1-1/2 x2-1/2 1-1/2 x2-1/2 1-1/2 x3 1-1/2 x3 1-3/4 x3 1-5/8 x2-1/2 1-1/2 x3 1-1/2 x3 1-3/4 x3 1-5/8 x2-1/2 yyyyyyyyy 23 y 23 y 23 23 y y 23 23 y 23 23 23 y 23 yyyyyyyyyyyyyyyyyyyyyyyyynnnnnnnyynynynnyynnynnnynyynnyynynonny 42 nnnn 42 n n n 42 ynyynnyynyyynyy 42 yyyy 42 n y y 42 y y 3,6,8,242,243 3,5 3,6 3,6,244 102 3,29 3,243 3,6 3,6,58,75,90 1,3,6,21,50,58,42 3,6,69 1,3,6,21,58,42 58,102,104 1,32,58,42 3,6,21,58 102 102 1,3,6,21,58 1,32,58 3,6,69 3,6,21,58,42 1,3,6,21,58,42 1,3,32,58 3,6,69 3,6,21,58 ford two wheel drive f100 f100/150/250 f100/150/250/350 1/2,3/4 ton pu turbo-style mufflers f100/150/250 f250/350 f100/150/250 import mufflers chevrolet/gmc four wheel drive 1500,2500,3500 pu 88-95 5.0-5.7l 1 ton crew cab 1/2 3/4 ton pu 1/2 3/4 1 ton pu 1/2,3/4 1 ton pu 88-91 68-81 73-87 88-91 66-72 67-87 63-87 63-74 73-91 69-72 73-81 67-91 73-91 66-72 73-81 67-91 283-400 396-454 283-400 305-350 2 83-400 283-400 292 230-250 283-400 283-400 396-454 283-400 283-400 283-400 396-454 283-400 catbacks 1/2 3/4 ton pu 1/2 3/4 1 ton pu 1/2,3/4 1 ton pu 1/2,3/4 1 ton pu blazer/jimmy k5 h-pipes x-pipes blazer/jimmy k5 blazer/jimmy k5 blazer/jimmy k5 suburban suburban suburban suburban tips installation notes components accessories 1 3 5 6 21 23 27 28 29 32 37 42 50 51 also available with a.i.r injection manifold welded in place add suffix s to the part number when ordering not available with ceramic finish must modify stock exhaust to retain catalytic converters can be modified to fit a.i.r fittings in head applications with oxygen sensor use reducer #10105 for 2-1/2 3-bolt flange or #10110 for 3 3-bolt flange on 83-84 4wd it is necessary to remove the rubber stopper below the starter installation requires flowtech air conditioning bracket #10042 1979 and later vehicles equipped with short compressor use original bracket will not fit ram air vehicles will fit only low boy f-250 s that were manufactured after 2/1/77 the date of manufacture is located on the driver side door frame will not fit 68-72 w/camper special gas tanks pre-70 vehicles with exhaust manifold mounted alternator/generator use bracket #10031flt end holes on head must be drilled and tapped to assure proper seal may require clutch linkage modifications fits c30 crew cab type chassis only chevrolet small block v8 engine y yes n no o not verified 54 58 60 66 69 75 90 100 102 103 104 105 241 242 243 244 shorty-style header will also work on catalytic equipped vehicles head pipe fabrication required will not fit angle plug heads installation requires front flowtech frame mounts #22609 powerglide and th-350 trans may use stock transmission crossmember th-400 use kit #22649 header is equipped with an oxygen sensor fitting must use original factory big block engine frame mounts and hardware fits with oe factory equipped style transmission only catalytic converter compatible y-pipe available separately add suffix y to part number will work with factory exhaust system modification to stock exhaust required to retain stock catalytic converter on 1987 models this header will only fit the 305 engine without the optional oil cooler will fit dart sportsman ii angle plug heads fitting for exhaust gas temperature sensor is welded to header if needed hole must be drilled thru header tube will not fit c-6 trans will not fit with high torque starter collector is non flanged integral reducer type will not fit trucks with power take off short design photo gallery part index merchandising 8 www.flowtechheaders.com

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