149 ENGINES & COMPONENTS Order today! SummitRacing.com | 1-800-230-3030 Airfl ow Research Mongoose Cylinder Heads Bolt a pair of Airfl ow Research Mongoose cylinder heads to your LS block for a big time performance boost! Cast from A356 aluminum, the fully assembled heads have 100% 5-axis CNC ported runners and combustion chambers. They feature 3/4"-thick decks, 8mm bead-lock valves, and dual hydraulic roller valve springs with titanium retainers. The LSX heads feature cathedral port intake runners with 15° valve angles, while the LS3 heads have rectangular intake ports with 12° valve angles. For use with 4.00" minimum bore (except were indicated). Aftermarket roller rocker arms recommended. Part Number Comb. Chamber Int./Exh. Runner Int./Exh. Valve Max Lift Spring Size Cam App. Price/Pair LSX (3.90" minimum bore, displacement up to 383 cu. in.) AFR-1510∞ 66cc 210cc/84cc 2.02"/1.60" .600" 1.290 HR $3,057.60 LSX (displacement up to 427 cu. in.) AFR-1630∞ 72cc 230cc/86cc 2.08"/1.60" .650" 1.270 HR $3,332.70 LS3, 4-bolt/cylinder (displacement up to 454 cu. in.) AFR-1845∞ 69cc 260cc/95cc 2.165"/1.60" .650" 1.270 HR $3,490.20 LS3, 6-bolt/cylinder (displacement up to 454 cu. in.) AFR-1840∞ 69cc 260cc/95cc 2.165"/1.60" .650" 1.270 HR $3,490.20 ∞Has a CARB EO #. Go to SummitRacing.com or call for details. An oversize fee may apply. Details at SummitRacing.com. Get everything for less with our Beat-A-Price Guarantee! PROMAXX Freedom Series Small Chevy Cylinder Heads Shed some weight with these affordable and durable aluminum cylinder heads from PROMAXX. These Freedom Series Chevy cylinder heads are cast from lightweight aluminum alloy and come fully assembled with one-piece stainless steel intake and exhaust valves, steel retainers, locks, hardened seats, single valve springs, valve stems, guideplates, and bronze valve guides. Heads have straight or angled spark plug holes (where applicable), accept perimeter bolt valve covers, and are for use with hydraulic fl at tappet cams. NOTE: Spark plug locations are denoted as angled (A) or straight (S). Part Number Intake Runner Combustion Chamber Int./Exh. Valve Max Valve Lift Plug Price/Pair PMX-2168 185cc 64cc 2.02"/1.60" 0.575" A $1,101.00 PMX-2169 185cc 64cc 2.02"/1.60" 0.575" S $1,101.00 PMX-2171 185cc 72cc 2.02"/1.60" 0.575" S $1,101.00 PMX-2121 225cc 64cc 2.08"/1.60" 0.575" S $1,197.00 An oversize fee may apply. Details at SummitRacing.com. PMX-2168 Chevrolet Performance Rectangular Port Cylinder Heads These production-style Chevrolet Performance aluminum cylinder heads provide excellent airfl ow and exceptional power! They feature as-cast L92/LS3 rectangular intake/D-shaped exhaust ports, and come assembled with valves, beehive springs, retainers, locks, and seals. Heads use bolt-down style rockers. Centerbolt valve covers (sold separately), and a minimum 4.000" bore is required. Sold individually. LSA Cylinder Head These ultra-strong LSA heads feature intake runners with unique cast-in “swirl inducers” for improved combustion effi ciency in boosted applications, all without killing your budget. • 356-T6 aluminum alloy • 259cc intake/89cc exhaust runners • 68cc combustion chambers • 2.165"/1.590" solid stem valves • 12° valve angles • .520" max lift NAL-12675872 ........................................................................................each $994.99 LS3 Cylinder Head Give your LS engine an instant performance upgrade when you bolt on these heads! They’re identical to the heads found on the LS3-powered 2008-13 Corvette. • 319-T5 aluminum alloy • 260cc intake/89cc exhaust runners • 68.4cc combustion chambers • 2.165" hollow stem intake/1.590" solid stem exhaust valves • 15° valve angles • .550" max lift NAL-12675871 .....................................................................................each $1,069.76 NAL-12675871 AFR-1840 NAL-12675872 Airfl ow Research Aluminum Cylinder Heads Airfl ow Research aluminum cylinder heads are 5-axis CNC-machined for total fl ow consistency and optimal port design—and that means more power! They feature 3/4"-thick decks (ideal for nitrous or blower applications), reinforced rocker stud bosses, and thick-wall runners for superior durability. They come fully assembled with valves, dual valve springs, locks, retainers, screw-in studs, seals, and guideplates. Camshaft applications: HR=hydraulic roller, MR=mechanical roller. Eliminator Street Heads for Small Block Chevy Exceptional fl ow rates, a 23° valve angle, standard valve spacing, .100" raised exhaust ports, and heat crossovers make these heads ideal for small block Chevy street applications. They have straight spark plug locations (unless noted) and require a 4.00" or larger bore. Part Number Comb. Chamber Int./Exh. Runner Int./Exh. Valve Max Lift Spring Size Cam App. Price/Pair AFR-0916∞ 65cc 180cc/64cc 2.02"/1.60" .600" 1.290 HR $2,328.90 AFR-1034∞ 65cc 195cc/64cc 2.05"/1.60" .600" 1.290 HR $2,328.90 AFR-1040†∞ 65cc 195cc/64cc 2.05"/1.60" .600" 1.290 HR $2,328.90 AFR-1036∞ 75cc 195cc/64cc 2.05"/1.60" .600" 1.290 HR $2,328.90 AFR-1038†∞ 75cc 195cc/64cc 2.05"/1.60" .600" 1.290 HR $2,328.90 Eliminator Race Heads for Small Block Chevy Packed with the same great features as the street heads above, these Eliminator race heads have larger valves and springs with .250" raised exhaust ports, angled spark plug locations, and larger runner volumes. They’re perfect for bracket, sportsman, and oval track applications running larger camshafts. Require a 4.00" or larger bore. AFR-1054 65cc 210cc/80cc 2.08"/1.60" .710" 1.550 MR $2,592.45 AFR-1065 65cc 220cc/80cc 2.10"/1.60" .710" 1.550 MR $2,592.45 AFR-1068‡ 65cc 227cc/80cc 2.10"/1.60" .710" 1.550 MR $2,592.45 Eliminator Competition Heads for Small Block Chevy Similar to the race heads above, Eliminator competition heads are CNC-ported to fi ner machine levels for improved fl ow. They have angled spark plug locations and require a 4.00" or larger bore, and have .250" raised exhaust ports. AFR-1110 65cc 220cc/80cc 2.10"/1.60" .710" 1.550 MR $3,279.15 Magnum Oval Port Heads for Big Block Chevy These small port, high-velocity oval port cylinder heads deliver monster torque! Featuring partially CNC-machined runners with fully CNC-machined combustion chambers, they can fl ow up to 354 cfm at 0.650" lift, so they’re perfect for street, strip, and towing applications with displacements up to 468 cubic inches. AFR-3610-1 112cc 265cc/80cc 2.19"/1.88" .650" 1.550 HR $3,182.55 Magnum Rectangle Port Heads for Big Block Chevy Dramatically increase horsepower and torque with a set of Magnum heads! They’re available with CNC-machined runners (as noted), have .375" raised exhaust ports and bolt patterns, and are ideal for large cubic inch street, strip, powerboat, and tractor pull applications. Require a 4.25" or larger bore. AFR-2100*^ 117cc 305cc/132cc 2.25"/1.88" .850" 1.625 MR $3,754.80 AFR-2101*^ 117cc 325cc/132cc 2.30"/1.88" .850" 1.625 MR $3,754.80 AFR-2001* 121cc 335cc/135cc 2.30"/1.88" .850" 1.625 MR $4,938.15 AFR-2110*^ 117cc 345cc/132cc 2.30"/1.88" .850" 1.625 MR $3,754.80 Renegade Street Heads for Small Block Ford Get superior street performance out of your small block Ford with a set of Renegade street heads. They use stud mount rockers (unless noted) and require a 4.00" or larger bore. AFR-1402∞ 58cc 165cc/68cc 1.90"/1.60" .600" 1.290 HR $2,328.90 AFR-1472+∞ 60cc 165cc/68cc 1.90"/1.60" .600" 1.290 HR $2,328.90 AFR-1422∞ 58cc 185cc/70cc 2.02"/1.60" .600" 1.290 HR $2,328.90 AFR-1492+∞ 60cc 185cc/70cc 2.02"/1.60" .600" 1.290 HR $2,328.90 Renegade Street/Strip Heads for Small Block Ford Renegade street/strip heads have eliminated heat risers and air pump holes for maximum street/strip performance. They use stud mount rockers and require a 4.00" or larger bore. AFR-1388 58cc 185cc/70cc 2.02"/1.60" .600" 1.290 HR $2,328.90 Renegade Competition Heads for Small Block Ford Renegade competition heads have larger valves and springs, plus larger runner volumes for ultimate horsepower and torque gains from your strip, oval track, or stroker engine. They use stud-mount rockers and require a 4.00" or larger bore. AFR-1450 and AFR-1381-716 have .125" raised exhaust ports, and AFR-1451 has .375" raised exhaust ports. AFR-1381-716 58cc 195cc/70cc 2.05"/1.60" .650" 1.270 HR $2,947.35 AFR-1450 58cc 205cc/70cc 2.08"/1.60" .710" 1.550 MR $3,014.55 AFR-1451 58cc 220cc/70cc 2.10"/1.57" .710" 1.550 MR $3,143.70 *An oversize fee may apply. Details at SummitRacing.com. +Pedestal mount rockers. ^Partially CNC-machined intake and exhaust runners. †Angled spark plug locations. ‡60/40 valve spacing. Shaft mount offset rockers required. ∞Has a CARB EO #. Go to SummitRacing.com or call for details.
