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Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Showing In Stock Items. Show All 10 Items.
Service Pack, GM LS GEN III, 5.7L-6.2L 1997-19, A356, Gear Assembly for 5234600
Part Number: PQX-9534600
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
BUILD IT WITH SUMMIT!
Summit Racing Equipment® Pro BBC LS Firing Order Hydraulic Roller Cams SUM-1255-H-O
Big Block PRO BBC H.R. 5 H.O. Cam, LS Firing Order, 232/248 Duration @ .050, 110 LSA + 4 Adv., .624/.624 with 1.7 ratio, .661/.661 with 1.8, 3000-6500
Part Number: SUM-1255-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 5.5 H.O. Cam, LS Firing Order, 236/252 Duration @ .050, 110 LSA + 4 Adv, .624/.624 with 1.7 ratio, .661/.661 with 1.8 3700-6600
Part Number: SUM-1263-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 8 H.O. Cam, LS Firing Order, 252/264 Duration @ .050, 108 LSA + 4 Adv., .624/.624 with 1.7 ratio, .661/.661 with 1.8, 4000-7000
Part Number: SUM-1258-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 12 H.O. Cam, LS Firing Order, 276/285 Duration @ .050, 108 LSA + 1 Adv, .700/.700 with 1.7 ratio, .741/.741 with 1.8 4500-7500
Part Number: SUM-1262-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 9 H.O. Cam, LS Firing Order, 255/264 Duration @ .050, 108 LSA + 4 Adv., .700/.700 with 1.7 ratio, .741/.741 with 1.8, 4100-7200
Part Number: SUM-1259-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 6 H.O. Cam, LS Firing Order, 242/256 Duration @ .050, 108 LSA + 4 Adv., .624/.620 with 1.7 ratio, .661/.655 with 1.8, 3800-6800
Part Number: SUM-1256-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 7 H.O. Cam, LS Firing Order, 248/264 Duration @ .050, 108 LSA + 4 Adv., .624/.624 with 1.7 ratio, .661/.661 with 1.8, 3900-7000
Part Number: SUM-1257-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 11 H.O. Cam, LS Firing Order, 270/276 Duration @ .050, 108 LSA + 1 Adv., .700/.700 with 1.7 ratio, .741/.741 with 1.8 4300-7400
Part Number: SUM-1261-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 10 H.O. Cam, LS Firing Order, 264/276 Duration @ .050, 108 LSA + 4 Adv., .700/.700 with 1.7 ratio, .741/.741 with 1.8 4200-7300
Part Number: SUM-1260-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
