Summit Racing Engines & Components

Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/25/2025

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Chevy LS Cylinder head, 255cc Rectangle port Intake Runner, 67cc Chamber, 2.16 Intake Valve 1.6 Exhaust Valve, 4.000 + bore sizes, Max .600 Lift, Each

Part Number: SUM-162LS3255REC

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Big Block Chevy Cylinder head, Aluminum, 335cc Rectangle Intake Runner, 122cc Chamber, 2.250 Intake Valve 1.880 Exhaust Valve, Max .725 Lift Ea.

Part Number: SUM-162BBCREC335

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Estimated Ship Date: Monday 8/25/2025

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Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 8/25/2025

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/25/2025

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Cam and Lifter kit, Pro SBC Retrofit Stage 2 Hyd.Roller LS Firing Order, 218/227 Dur., 110 LSA + 1 Adv, .525/.520 1.5 Ratio, 1800-6250 RPM Range

Part Number: SUM-K1222

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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Cam and Lifter kit, Pro SBC Retrofit Stage 3 Hyd. Roller LS Firing Order, 224/232 Dur., 110 LSA + 2 Adv, .550/.540 1.5 Ratio, 2000-6300 RPM Range

Part Number: SUM-K1223

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Estimated Ship Date: Monday 8/25/2025

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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Cam and Lifter kit, Pro SBC Retrofit Stage 4 Hyd. Roller LS Firing Order, 232/242 Dur., 110 LSA + 3 Adv, .550/.550 1.5 Ratio, 2200-6400 RPM Range

Part Number: SUM-K1224

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400024

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/25/2025

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Cam and Lifter kit, Pro SBC Retrofit Stage 6 Hyd. Roller LS Firing Order, 248/256 Dur., 110 LSA + 2 Adv, .550/.550 1.5 Ratio, 3000-7000 RPM Range

Part Number: SUM-K1226

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Forged Pro Ford Mod Motor 4340 Forged Steel H-Beam Connecting Rod, 5.933 in. Length, .866 Floating Pin, ARP 8740 12 pt. Bolts, Set of 8

Part Number: SUM-MOD59332H

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Estimated Ship Date: Monday 8/25/2025

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SBF 351 Windsor 4340 Forged steel crank, 4.000 in. stroke, 6.200 rod, Nitride Hardened, Internal Balance, Req. Narrowed Rod bearings

Part Number: SUM-SBF351W4000I

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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Forged Pro BB Chevy 4340 Forged Steel H-Beam Connecting Rods, 6.385 in. Length, .990 Floating Pin, ARP L19 260K PSI 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-BBC638519H

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/25/2025

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SB Mopar 340 Forged Steel Crank, 4.000 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3404000

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Engine Kit, Crank, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483006050

Not Yet Reviewed

Cannot be shipped Internationally

• Oversize
• Restricted

Forged Pro pistons BB Chevy 540, 4.500 bore, 1.270 C.H., 4.25 in. stroke, 6.385 in. rod, 8cc open/closed ch. Dome 10.6@110cc, 10.2@114cc, 10:1@119cc.

Part Number: SUM-BBC540STD

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 275/288, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8707-2-DLTI

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Ground
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Cam and Lifter kit, Pro SBC Retrofit Stage 1 Hyd. Roller LS Firing Order,212/218 Dur., 110 LSA + 2 Adv, .525/.520 1.5 Ratio, 1500-6000 Range

Part Number: SUM-K1221

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Estimated Ship Date: Monday 8/25/2025

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Forged Pro pistons BB Chevy 502, 4.500 bore, 1.645 C.H., 4 in. stroke, 6.135 in. rod, 12cc open/closed chamber Dome 10.5@110cc, 10.2@114cc, 9.8@119cc.

Part Number: SUM-BBC502STD

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Forged Pro pistons BB Chevy 565, 4.600 bore, 1.120 C.H., 4.25 in. stroke, 6.535 rod, 8cc open/closed chamber Dome 11:1@110cc, 10.7@114cc, 10.2@119cc.

Part Number: SUM-BBC54046008L

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Summit 4340 Forged Crankshaft, SBF Windsor, 3.000 in Stroke, 28 oz. Balancer, Narrowed Rod Bearings, 1.375 Pilot Bearing, Designed for 5.090 in. Rod

Part Number: SUM-SBF3023000E

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Forged Pro SBC 4340 Forged Steel H-Beam Connecting Rods, 5.700 in. Length, .927 Floating Pin, ARP L19- 260K PSI 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-SBC570019H

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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Cam and Lifter kit, Pro SBC Retrofit Stage 5 Hyd. Roller LS Firing Order, 242/251 Dur., 110 LSA + 4 Adv, .550/.550 1.5 Ratio, 2600-6600 RPM Range

Part Number: SUM-K1225

Not Yet Reviewed

Estimated Ship Date: Monday 8/25/2025

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SB Chevy Forged Steel Crank, 3.750 Stroke, 1967-86 Blocks with 2-pc. RMS, Lightened, Nitride, Lightened and Bullnosed, Designed for 6.000 in. Rod

Part Number: SUM-SBC35037502P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/25/2025

• Free Shipping