CHEVROLET Summit Racing Camshafts & Valvetrain

Timing Gear, Adjustable, Billet Steel, 3-Bolt, 1X, Single Row, 0.010 in. Line Hone, Chevy LS, Each

Part Number: SUM-G6643-1X-010

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Estimated Ship Date: Monday 9/29/2025

Rocker Arm, Non Roller, Pedestal Style, 1.7 Ratio, Steel, for LS Series Pivot Bearing Upgrade Only, Each

Part Number: SME-143000-1

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Timing Gear, Adjustable, Billet Steel, 3-Bolt, 1X, Single Row, 0.005 in. Line Hone, Chevy LS, Each

Part Number: SUM-G6643-1X-005

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Gen. V Pro LT Cam 2, 222/242 Duration, 113.5 LSA + 5.5 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete, SUM-174014BP-16 springs

Part Number: SUM-8757

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Pro BBC Big Block Chevy Hydraulic Roller Cam 5.5, 4/7 Swap, 236/248 Duration, 111 LSA, 5 Adv. .620/.620 lift 1.7 ratio, .655/.655 1.8, 3,700-6,600

Part Number: SUM-1263

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Pro BBC Chevy Big Block Turbo Cam 3, LS Firing Order, 242/242 Duration, 116.5 LSA, 2.5 Adv. .620/.620 lift 1.7 ratio, .655/.655 1.8, 3,700-7000

Part Number: SUM-1264

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Pro LS Valve Spring, Drop in, 0.630 Max Lift, Single Beehive, 1.300 in. O.D., 340 lbs./in. Spring Rate, 1.800 in. Installed Height, Each

Part Number: SUM-174005-1

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Pro SBC Best Hydraulic Roller Cam 8, LS Firing Order, Roller Block, 248/258 Dur.109.5 LSA + 3.5 Adv. .550/.550 lift with 1.5 rocker, 587/.587 1.6, ea

Part Number: SUM-8813

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Pro SBC CT1 Hydraulic Roller Cam 1, LS Firing Order, 232/248 Dur., 110 LSA, +4 Adv., .530I/.530E Lift with 1.5, .565I/.565E Lift 1.6, Roller Block

Part Number: SUM-8815SN

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Pro SBC CT2 Hydraulic Roller Cam 1, LS Firing Order, 238/254 Dur., 109 LSA, +4 Adv., .530I/.530E Lift with 1.5, .565I/.565E Lift, 1.6, Roller Block

Part Number: SUM-8816SN

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Pro SBC CT3 Hydraulic Roller Cam 1, LS Firing Order, 244/258 Dur., 109 LSA, +4.5 Adv., .530I/.530E Lift with 1.5, .565I/.565E Lift with 1.6, Retrofit

Part Number: SUM-8817

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Pro SBC CT3 Hydraulic Roller Cam 1, LS Firing Order, 244/258 Dur., 109 LSA, +4.5 Adv., .530I/.530E Lift with 1.5, .565I/.565E Lift 1.6, Roller Block

Part Number: SUM-8817SN

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Pro SBC Best Hydraulic Roller Cam 5, LS Firing Order, Roller Block, 232/242 Dur.110 LSA +3 Adv. .550/.550 lift with 1.5 rocker, .587/.587 1.6, ea.

Part Number: SUM-8810

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Camshaft, Duramax Pro 2 Cam, 187/189 Duration @.050 in., 106.5 LSA, +2 advanced, Intake .389/Exhaust .392 Lift, Revised Firing Order, Each

Part Number: SUM-9002R1

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Camshaft, Duramax Pro 3 Cam, 190/193 Duration @.050 in., 108.5 LSA, +2 advanced, Intake .389/Exhaust .392 Lift, Revised Firing Order, Each

Part Number: SUM-9003R1

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Pro LS S.P.1 Cam, 226/248 Duration, 111 LSA + 5 Adv, .625/.605 lift, 3-Bolt, compatible with SUM-174005 springs. Gen, 3/4 5,3 5,7 6,0 6.2 7.0

Part Number: SUM-8740R1

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Pro LS S.P.2 Cam, 234/251 Duration, 110 LSA + 5 Adv,.625/.625 lift, 3-Bolt, compatible with SUM-174005 springs. Gen. 3/4 5.3 5.7 6.0 6.2 7.0

Part Number: SUM-8741R1

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Pro LS S.P.3 Cam, 238/255 Duration, 110 LSA + 5 Adv,.625/.605 lift, 3-Bolt, compatible with SUM-174005 springs. Gen. 3/4 5.3 5.7 6.0 6.2 7.0

Part Number: SUM-8742R1

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Pro LS S.P.4 Cam, 242/262 Duration, 110 LSA + 5 Adv, .625/.625 lift, 3-Bolt,compatible with SUM-174005 springs. Gen. 3/4 5.3 5.7 6.0 6.2 7.0

Part Number: SUM-8743R1

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Pro LS S.P.5 Cam, 248/264 Duration, 109 LSA + 5 Adv, .625/.590 lift, 3-Bolt, compatible with SUM-174005 springs. Gen. 3/4 5.3 5.7 6.0 6.2 7.0

Part Number: SUM-8744R1

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Pro LT Gen. V, Truck Torkinator Best 6.2 Drop-In Cam, 212/222 Duration, 110 LSA + 3 Adv. .540/.540 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete

Part Number: SUM-8751

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Pro LT Gen. V, Truck Torkinator Best 5.3 High-Lift Cam, 208/218 Duration, 108.5 LSA + 2.5 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete

Part Number: SUM-8752

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Pro LT Gen. V, Truck Torkinator Best 6.2 High-Lift Cam, 212/222 Duration, 110 LSA + 3 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete

Part Number: SUM-8754

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Gen. V Pro LT Cam 1, 218/230 Duration, 111 LSA + 4 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete, SUM-174014BP-16 springs

Part Number: SUM-8756

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Gen. V Pro LT Cam 3, 226/246 Duration, 115 LSA + 6 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Delete, AFM Delete, SUM-174014BP-16 springs

Part Number: SUM-8758

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