126 ENGINES & COMPONENTS WARNING: For Proposition 65 information, see p. 183 Some parts are not legal for sale or use in California or other states with similar laws/regulations—see p. 183 for details. Summit Racing™ Pro GPX Gas Ported Piston Rings Our Pro GPX gas-ported piston rings feature machined grooves that allow combustion pressure to be diverted behind the rings, forcing them out against the cylinder walls to create a tighter seal. This reduces blowby and helps build maximum power, especially in boosted and nitrous applications. Plus, they’re self-cleaning and won’t suffer from carbon buildup. Most sets include top, second, and oil rings, in ductile iron or gas-nitrided steel. Hundreds of applications available— call us or visit SummitRacing.com to get yours. Made in the USA. Summit Pro GPX Gas Ported Piston Rings, set ......................................from $202.99 Summit Racing™ Forged Pro Pistons Our Forged Pro aluminum pistons bring modern piston technology to vintage engine platforms! We made them stronger and lighter than the factory pistons, so they can handle more power with less stress on your engine. Precision machining results in tighter tolerances, which means there’s less blowby and piston rock. For performance builds, they have thicker ring lands to withstand moderate boost or nitrous. We also made them compatible with modern nitride-steel top ring packs and horizontal gas-port rings for improved seal. Find your application at SummitRacing.com, or call us. Made in the USA. Summit Forged Pro Pistons, set of 8......................................................from $655.99 Ford 351W/408 Stroker Mopar 440 Chevy 400 Long Rod Summit Racing™ Forged Crankshafts Summit Racing forged crankshafts deliver the strength and reliability you demand for your high-performance engine build! They’re made from 4340 steel non-twist forgings that are heat-treated and nitride- hardened, then stress-relieved and shot-peened for unmatched durability. Main and rod journals are micro-polished and feature a .125" fillet radii for increased strength. Pins have lightening holes for reduced weight. NOTE: Narrow-style bearings required. Chevy Engine Stroke Rod Length Rear Seal Balance Price Each SUM-SBC35040002P‡ 350 4.000 6.000 2-piece Internal $964.99 SUM-SBCLT37501P+ 350/LT1 3.750 5.700 1-piece Int./Ext. $974.99 SUM-SBC35037502P+ 350 3.750 6.000 2-piece Internal $964.99 SUM-SBC4003750 400 3.750 6.000 2-piece Internal $974.99 SUM-SBC4003875 400 3.875 6.000 2-piece Internal $974.99 SUM-SBC4004000 400 4.000 6.000 2-piece Internal $889.99 SUM-BBC425063852 454 4.250 6.385 1-piece Internal $1,149.99 SUM-BBC425063851 454 4.250 6.385 2-piece Internal $1,029.99 SUM-LSCCW400058X* LS/58X 4.000 6.125 1-piece Internal $1,309.99 SUM-180LT400058* LT/58X 4.000 6.125 1-piece Internal $1,229.99 Ford SUM-SBF3023000E 302 3.000 5.090 1-/2-piece 28 oz. ext. $919.99 SUM-SBF3023000I† 302 3.000 5.400 1-/2-piece Internal $929.99 SUM-SBF3023400† 302 3.400 5.400 1-/2-piece 28 oz. ext. $924.99 SUM-SBF351W4000I† 351W 4.000 6.200 1-/2-piece Internal $1,029.99 SUM-BBF460415067‡ 460 4.150 6.700 2-piece Internal $1,204.99 SUM-BBF460450022‡ 460 4.500 6.700 2-piece Internal $1,194.99 Mopar SUM-MOP34033106 340 3.580 6.123 2-piece External $1,059.99 SUM-MOP3404000 340 4.000 6.123 2-piece External $1,019.99 SUM-MOP3603580 360 3.580 6.123 2-piece External $1,069.99 SUM-MOP3604000 360 4.000 6.123 2-piece External $1,069.99 *Gun-drilled. ^Dual 3/16" keyways. +Bull nose counterweights. †With 2.100" Chevy pin. ‡Straight-shot oiling. Summit Racing™ Cast Crankshafts Perfect for stock replacement or mild performance builds, our cast steel cranks are precision-ground and micro-polished to exacting tolerances. Price Each SUM-180366 Chevy 350, 3.48" stroke, 1-piece rear main seal ..................$279.99 SUM-180365 Chevy 350, 3.48" stroke, 2-piece rear main seal ..................$309.99 SUM-180368* Chevy 350, 3.75" stroke, 1-piece rear main seal ..................$279.99 SUM-180367* Chevy 350, 3.75" stroke, 2-piece rear main seal ..................$279.99 SUM-180369 Chevy 400, 3.75" stroke, 2-piece rear main seal ..................$274.99 SUM-180370 Chevy 454, 4.00" stroke, 2-piece rear main seal ..................$364.99 An oversize fee may apply. Details at SummitRacing.com. *Stroker crankshaft. Scan to learn how our Pro GPX gas-ported rings help you build power and reduce blowby! Summit Racing™ Performance Connecting Rods Our Performance connecting rods are made from forged 4340 steel and are sold in sets weight matched to +/-1 gram. They’re stroker clearanced, precision honed to within .0001", and include ARP rod bolts or cap screws. Available for popular GM, Ford, and Mopar engines—call us or visit SummitRacing.com for complete details. I-Beam Connecting Rods These rods are available with your choice of through-bolt or cap screw fasteners, plus full-floating or press-fit pins, and support 475 to 650 hp. Price/Set of 8 Summit I-Beam Connecting Rods, through-bolt .................................... from $369.99 Summit I-Beam Connecting Rods, cap screw ....................................... from $319.99 H-Beam Connecting Rods Our H-beam rods feature full-floating pins made from 8740 chromoly steel, ARP2000 or ARP L19 alloy fasteners, and support 750 to 1,500 hp. Price/Set of 8 Summit H-Beam Connecting Rods, 8740 cap screw ............................. from $614.99 Summit H-Beam Connecting Rods, ARP 2000 cap screw ..................... from $754.99 Summit H-Beam Connecting Rods, ARP L19 cap screw ....................... from $779.99 Sets are available for: • Chevy: 302, 327, 350, 383, 400, 396, 427, 454, 496, 540 • Ford: 302W, 347, 408, 460 • Mopar: 360, 383, 440 • Olds: 350, 455 • Pontiac: 400, 455 NEW! NEW! Summit Racing™ Chevy 427 Forged Pro Rotating Assembly Our high-performance Chevy 427 small block rotating assembly begins with an internally balanced crankshaft made from heat- treated, nitride-hardened 4340 alloy forged steel. The 4.00" stroke crankshaft features micro-polished journals with a .125" radius, plus 2.448" main journals for a 350 block, and 2.100" rod journals. The assembly is completed with forged 4340 steel 6.00" H-beam connecting rods equipped with ARP2000 alloy high-strength rod bolts, and 4.125" bore forged pistons with an 18cc dish. Provides a compression ratio ranging from 9.75:1 to 11.2:1, depending on cylinder head combustion chamber volume. NOTE: Requires 1.2mm/1.2mm/3mm ring set, SUM-909HS 350 main bearings, and SUM-663HS narrowed rod bearings. SUM-SBC427RB125 ...............................................................................kit $2,654.99 NEW! NEW! Use with our Summit Racing SUM-150202 SPC Engine Block!
