1991 CHEVROLET | Summit Racing

KB Performance Pistons SKB245.STD

Piston, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB245-STD

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB397.060

Piston, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB397-060

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB302L.040

Piston, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB302L-040

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB301R.040

Piston, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB301R-040

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB301R.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB301R-STD

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB397.070

Piston, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB397-070

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Estimated Ship Date: May 27, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-35057002000-1

Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, Small Journal, 5.700 in. Length, Chevy, Small Block, Each

Part Number: SCA-6570020-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-35060002100SA-1

Connecting Rod, H-beam, Forged 4340 Steel, Shot-peened, Floating, 6.000 in. Length, Chevy, Small Block, Each

Part Number: SCA-6600021SA-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Champ Pans Fabricated Aluminum Valve Covers CP1147-1V

Valve Cover, Left Side, Fabricated Aluminum, Natural, Tube Provision, Chevrolet, Small Block, Each

Part Number: CHP-CP1147-1V

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Champ Pans Fabricated Aluminum Valve Covers CP1147-3V

Valve Cover, Left Side, Fabricated Aluminum, Natural, -16 AN Port, Chevrolet, Small Block, Each

Part Number: CHP-CP1147-3V

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11772

SB Chevy DM 4.155B/1.100CD NS

Part Number: DPP-11772

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Small Block Chevy Nitrous Series Pistons 10303

SBC 23° Nitrous FT 4.060B/1.062CD

Part Number: DPP-10303

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11779

SB Chevy DM 4.165B/1.062CD

Part Number: DPP-11779

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11767

SB Chevy DM 4.155B/1.125CD

Part Number: DPP-11767

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11766

SB Chevy DM 4.145B/1.125CD

Part Number: DPP-11766

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11693

SB Chevy DM 4.040B/1.218CD NS

Part Number: DPP-11693

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11770

SB Chevy DM 4.125B/1.100CD NS

Part Number: DPP-11770

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11316

SB Chevy DM 4.155B/1.100CD NS

Part Number: DPP-11316

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons 23 Degree Nitrous Dome Series Pistons 11846

SBC 350/400 23° 4.060B/1.200CD

Part Number: DPP-11846

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11180

SB Chevy FT 4.125B/1.425CD NS

Part Number: DPP-11180

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11710

SB Chevy DM 4.030B/1.000CD

Part Number: DPP-11710

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11157

SB Chevy FT 4.035B/1.000CD

Part Number: DPP-11157

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons 23 Degree Nitrous Dome Series Pistons 11841

SB Chevy DM 4.125B/1.140CD

Part Number: DPP-11841

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11820

SB Chevy DM 4.155B/1.000CD

Part Number: DPP-11820

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11412

SB Chevy DS 4.035B/1.250CD

Part Number: DPP-11412

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Estimated Ship Date: May 8, 2026 if ordered today

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1991 CHEVROLET Parts and Accessories