CHEVROLET Engines & Components

PRO BBC H.R. 3 Hydraulic Roller Cam, 4/7 Swap, 218/226 Duration @ .050, 110 LSA + 6 Adv. , .595/.590 with 1.7 ratio, .630/.625 with 1.8, 2500-6000

Part Number: SUM-1253

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Pro SBC Stage 6 Hyd. Flat-Tappet 4/7 Firing Order Swap Cam, 242/248 Dur., 108 LSA + 2 Adv, .510/.518 1.5 Ratio, .544/.553 1.6 Ratio, 2600-6600 Range

Part Number: SUM-1205

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Pro SBC Stage 8 Hyd.Flat-Tappet 4/7 Firing Order Swap Cam, 252/258 Dur., 107 LSA + 1.5 Adv, .533/.540 1.5 Ratio, .569/.576 1.6 Ratio, 3200-7200 Range

Part Number: SUM-1207

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Pro SBC Hyd. Roller Cam, Turbo Stage 3, 232/232 Duration, 115 LSA + 5 Adv., .550/550 Lift with 1.5 Ratio, .587/.587 1.6 Ratio, 3500-7200 Rpm Range

Part Number: SUM-8807

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Estimated Ship Date: Monday 12/1/2025

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Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DMC7

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

• Core Charge $395.00
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Forged Pro BB Chevy 4340 Forged Steel H-Beam Connecting Rods, 6.7 in. Length, .990 Floating Pin, 8740 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-BBC67008H

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Estimated Ship Date: Monday 12/1/2025

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Timing Chain and Gear Set, Double Roller, Cast Iron Cam Gear, Billet Steel Crankshaft Gear, Chevrolet, Set

Part Number: MEL-48500T-9

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

PRO BBC H.R. 1 Hydraulic Roller Cam, 4/7 Swap, 204/214 Duration @ .050, 110 LSA + 4 Adv. , .510/.510 with 1.7 ratio, .540/.540 with 1.8, Idle-5600

Part Number: SUM-1251

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Rocker Arm Single Offset

Part Number: PQX-0236431-01

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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 12/1/2025

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Pro SBC Stage 7 Hyd. Flat-Tappet 4/7 Firing Order Swap Cam, 248/256 Dur., 108 LSA + 2 Adv, .518/.525 1.5 Ratio, .553/.560 1.6 Ratio, 3000-7000 Range

Part Number: SUM-1206

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DM29

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/1/2025

• Core Charge $420.00
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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.000 in. Length, Chevy, 6-Cylinder, L6, Set of 6

Part Number: SCA-66000206

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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• $75 Summit Bucks

Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.65 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Each

Part Number: PQX-0235018-01

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Oil Pump, Wet Sump Style, High-Volume, Standard-Pressure, Billet Aluminum, 10 in. Pan Depth, Chevy, Big Block, Each

Part Number: MEL-10070-1000SS

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Gen. 1.5 LT1 Forged Steel Crankshaft, 3.750 stroke, 5.700 Rod, Lightened, bull-nose counterweights, Nitride Hardened, 1 piece rear main seal

Part Number: SUM-SBCLT37501P

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Lifters, Race Series, Hydraulic Roller, Vertical Bar, Chevy, Big Block, Each

Part Number: HRS-91162-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Piston, OE Replacement, Hypereutectic Aluminum, Flat Top, 4 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S2243665

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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5140 STEEL I-BEAM CHEV SB 5.700" 2.00"

Part Number: ESP-SIR5700SP-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

Piston and Ring Kit, Forged, Flat, 4.530 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC950KTD-030

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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SBC Forged 427 Balanced Assembly, 4 in. stroke, 350 main, 2 pc. RMS, H-Beam Rod, Forged Piston 11.2:1@ 58cc, 10.5:1@64cc, 10.25:1@67cc, 9.75:1@72cc

Part Number: SUM-SBC427RB125

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Harmonic Balancer, Street Performance, Internal Balance, Nodular Iron, Black, Chevy, Small Block, 4.3L V6

Part Number: PIO-872002

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/1/2025

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Crate Engine, Marine, Long Block, Assembled, Internal Balance, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DM27

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

• Core Charge $285.00
• Freight Charge

Cylinder Head, Big Duke, PB 1800, Aluminum, Assembled, 91cc Chamber, 456cc Intake Runner, Chevy, 454, Each

Part Number: BRO-2181002SSCC

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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