127 ENGINES & COMPONENTS Order today! SummitRacing.com | 1-800-230-3030 Summit Racing™ SPC Engine Blocks Don’t roll the dice on a used stock block for your next project—start your performance build with a brand-new Street/Performance/Competition (SPC) cast iron block from Summit Racing! They’re cast in a German Tier 1 OEM foundry and CNC fi nish- machined in the USA. For complete details and specifi cations, visit SummitRacing.com or call us. • Extra-thick siamesed cylinder walls and blind head bolt holes • Priority main oiling, splayed 4-bolt main caps on the center three mains (unless indicated), and cast-in stroker clearance • Accept OE-style roller cams and lifters, oil pans, timing sets, and covers NOTE: Cylinder bores are .005" undersized; blocks require professional fi nishing. Small Block Chevy • Choose a 4.000" or 4.125" bore, 350 or 400 mains, and 1- or 2-piece rear seal SUM-150203 4.000" bore, 350 mains, 1-piece rear seal .............each $2,249.99 SUM-150200 4.000" bore, 350 mains, 2-piece rear seal .............each $2,299.99 SUM-150202 4.125" bore, 350 mains, 2-piece rear seal .............each $2,299.99 SUM-150204 4.125" bore, 400 mains, 1-piece rear seal .............each $2,249.99 SUM-150201 4.125" bore, 400 mains, 2-piece rear seal .............each $2,299.99 Big Block Chevy • Supports up to 4.630" bore and 4.750" stroke • Splayed 4-bolt main caps on all fi ve mains • Additional lugs for 17th and 18th head bolt holes • Uses Dura-Bond GMP-12 camshaft bearings • Accepts OE-style roller cams and lifters, oil pans, timing sets, and covers • Choose a 4.500" or 4.600" bore in standard deck (9.800") or tall deck (10.200") height options, 2-piece rear main seal SUM-150210 4.500" bore, standard deck ...................................each $3,399.99 SUM-150211 NEW NEW! 4.600" bore, standard deck ........................each $3,399.99 SUM-150213 NEW NEW! 4.600" bore, tall deck..................................each $3,399.99 Ford 302 • Uses SVO-style cam bearings and 15⁄8" expansion plugs • Choose a 4.000" or 4.125" bore, 1-piece rear main seal SUM-150206 4.000" bore ............................................................each $2,549.99 SUM-150207 NEW NEW! 4.125" bore .................................................each $2,549.99 NEW NEW! Ford 351W • Uses SVO-style cam bearings and 15⁄8" expansion plugs • 351 Cleveland main journals, 1-piece rear main seal SUM-150205 4.125" ....................................................................each $2,749.99 Chevy Pro LS • Supports up to 468 cu. in. (4.185" max bore, 4.250" max stroke) • .250" extended cylinder skirt walls • Billet main cap blocks • Stroker clearanced for 4.00" steel rods (4.250" with additional clearancing) • Uses third design LS cam bearings; requires specifi c cam retainer plate and galley plugs • Choose a 4.065" or 4.125" bore in standard deck (9.240") or tall deck (9.705") height options, in 4 or 6 bolt per cylinder head bolt patterns SUM-150215 NEW NEW! 4.065" bore, standard deck, 4 bolts per cyl. .....each $3,249.99 SUM-150216 4.125" bore, standard deck, 6 bolts per cyl. ................each $3,349.99 SUM-150217 NEW NEW! 4.125" bore, tall deck, 6 bolts per cyl................each $3,599.99 A truck freight fee may apply. Details at SummitRacing.com. FREE Chevy Pro LS Block Finishing Accessories Required accessories to fi nish your Pro LS engine block. SUM-G1587 15⁄8" freeze plugs (1 required) ........................................set $29.99 SUM-1002S00 Camshaft bearings (1 required) ....................................set $24.99 SUM-150135 Camshaft retainer (1 required) ...................................each $19.99 SUM-150134-4 Lifter guides (1 required) ............................................set $129.99 SUM-921002-2 1/4" NPT pipe plugs (3 required) .................................. pair $6.99 SUM-921004-2 3/8" NPT pipe plugs (3 required) .................................. pair $8.99 Choose Summit Racing™ brand parts for premium quality at a budget-friendly price! Summit Racing™ Pro LS Engine Components and Rotating Assemblies Looking to build serious LS power? We have you covered with a full lineup of Pro LS components built to handle boost, nitrous, and high-rpm abuse. Whether you’re upgrading a street machine or assembling a track-ready monster, these parts deliver strength, precision, and performance where it counts. Pro LS Crankshafts Our Pro LS forged 4340 steel crankshafts are core hardened, tempered to remove stress, and nitride hardened for optimal strength. They feature a 24-tooth or 58-tooth reluctor, plus lightened rod journals, gun-drilled mains, profi led counterweights, and straight-shot oiling. SUM-180LS362224X* 24-tooth reluctor, 3.622" stroke ........................each $839.99 SUM-180LS362258X* 58-tooth reluctor, 3.622" stroke ........................each $839.99 SUM-180LS400024X* 24-tooth reluctor, 4.000" stroke ........................each $839.99 SUM-180LS400058X* 58-tooth reluctor, 4.000" stroke ........................each $839.99 Pro LS Forged Pistons Run boost or nitrous with confi dence! Our Pro LS forged 2618 aluminum alloy pistons are made with profi led and coated skirts, generous valve reliefs that work with both cathedral port and rectangle port heads, and maximized ring lands. The 21⁄4" chromium steel pins clear the reluctor ring in stroker applications. Rings sold separately (see below). Hundreds of applications available for 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L in a variety of bore sizes and compression ratios—for complete details and Made in the USA status visit SummitRacing.com, or call us. Summit Pro LS forged pistons, set of 8 ................................................ from $649.99 Pro LS Piston Rings Our premium pistons work best with premium piston rings...like these! Our plasma moly-faced steel top rings withstand boost and nitrous, while the martensitic ductile Napier-hook secondary rings add strength and oil control. Sets also include 3mm oil rings, and all rings are fi le fi t for maximum sealing. Summit Pro LS piston rings, set of 8 .................................................... from $148.99 Pro LS Connecting Rods Made from forged 4340 steel, our Pro LS H-beam connecting rods are built to handle the demands of high-horsepower and boosted engines. They’re stroker clearanced, precision honed to within .0001", and weight matched to +/-1 g. Full-fl oating pins and ARP 2000 7/16" rod bolts are included. SUM-LS6098945 6.098" long, .945" pin..................................set of 8 $699.99 SUM-LS6125927 6.125" long, .927" pin..................................set of 8 $699.99 SUM-LS6275945 6.275" long, .945" pin..................................set of 8 $699.99 Pro LS Wrist Pins These ultra-tough wrist pins perfectly complement Summit Pro LS and other aftermarket pistons that use a .927" D x 2.250" L pin and Spirolox retaining rings. Each is made from H-13 tool steel with a .215" wall thickness for unbeatable strength, even under boost or nitrous. Choose a natural fi nish or get them with a DLC coating for increased hardness and lower friction. Each pin is surface fi nished to <1 Ra and weighs just 135 grams. SUM-S719 Natural fi nish ......................................................each $32.99 SUM-S719-8 Natural fi nish ...............................................set of 8 $255.99 SUM-S720 DLC-coated .......................................................each $117.99 Pro LS Forged Rotating Assemblies Our Pro LS forged rotating assemblies are tested to over 1,200 hp in turbo applications! Kits come complete with our forged Pro LS crankshaft, pistons and rings, and H-beam connecting rods (all detailed above), plus ARP 2000 7/16" rod bolts and tri-metal main and rod bearings. Pro LS complete forged rotating assemblies ......................................from $2,542.87 Partial Assemblies Already have a crank or pistons? Finish your own rotating assembly with one of these kits. Summit Pro LS forged crank and rod kits ..........................................from $1,539.98 Summit Pro LS forged piston and rod kits .........................................from $1,499.97 *An oversize fee may apply. Details at SummitRacing.com. “Block is made just like any other big name makers. The price is perfect... I’m thinking of buying a couple more to put on the shelf. Very nice product.” – DUKE, from Texas •Photos •Videos •360° views •Instructions •Questions & Answers See more at SummitRacing.com! SUM-150216
