Summit Racing Performance, Restoration & Replacement Parts & Tools

Wiring Harness, Engine Harness, Automatic Transmission, With Seat belt Ignition Interlock System, Chevy, Each

Part Number: SUM-RP21162

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LS Dual Springs, Hyd. Roller,.650 Max Lift @ 160 Lb. seat @ 1.800 Installed, 425 Lb. @ 1.125 Open, 1.020 C.B., 1.304 Dia., 392 Rate, Like PAC 1905 ea.

Part Number: SUM-174010D-1

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Wiring Harness, Dash Harness, With A/C, With Seat Belt Warning, Chevy, Each

Part Number: SUM-RP21122

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Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Conical Seat, Bulge, 7/16 in. x 20 RH, 1.4 in. Long, Closed End, Steel, Black Chrome, Set of 4

Part Number: SUM-754005B

4.6 out of 5 stars ( 5 )

Estimated Ship Date: May 13, 2026 if ordered today

Lug Nuts, SST Mag Lug Nut Standard Wheel Installation, Shank Seat, Steel, Chrome, Open End, Washers, 1/2-20 RH in. Thread Size, Set of 20

Part Number: SUM-755567

5.0 out of 5 stars ( 2 )

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Lug Nuts, Conical Seat, Duplex, 14mm x 1.50 RH, 1.9 in. Long, Closed End, Chrome Plated Steel, Set of 4

Part Number: SUM-7540160

4.29 out of 5 stars ( 7 )

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Lug Nuts, Conical Seat, Bulge, 14mm x 1.50 RH, 1.4 in. Long, Closed End, Steel, Black Chrome, Set of 4

Part Number: SUM-754003B

4.0 out of 5 stars ( 4 )

Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Flat Seat with Shank, 1/2 in. x 20 RH, .750 in. Shank Length, Closed End, Steel, Black Chrome, Set of 4

Part Number: SUM-7540083B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Flat Seat with Shank, 12mm x 1.25 RH, 1.380 in. Shank, Closed End, Steel, Zinc Plated, Set of 4

Part Number: SUM-7540119

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Estimated Ship Date: Apr 15, 2026 if ordered today

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SBC or BBC 1.500 Dual Springs, Advanced S.R.1.000 Max lift @ 420 Lb. seat @ 2.175 Installed, 1200 Lb. @ 1.175 Open, 1.130 C.B., 780 Rate,144g PAC 1355

Part Number: SUM-174041DP-16

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Wiring Harness, Rear lamp Intermediate Harness, 1970-72 Cutlass, Convertible, 1972 Convertible Without Seat Belt Warning, Each

Part Number: SUM-RP22355

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Estimated Ship Date: May 13, 2026 if ordered today

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Wiring Harness, Dash Harness, Without A/C, With Seat Belt Warning, Chevy, Each

Part Number: SUM-RP21124

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Estimated Ship Date: May 13, 2026 if ordered today

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BBC 1.645 Triple Springs, Endurance S.R., .950 Max Lift @ 350 Lb. seat @ 2.150 Installed, 1004 Lb. @ 1.200 Open, 1.130 C.B., 688 Rate, 183g PAC 1358

Part Number: SUM-174046TP-16

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Lug Nuts, Conical Seat, Bulge, 9/16 in. x 18 RH, 1.4 in. Long, Closed End, Chrome Plated Steel, Set of 4

Part Number: SUM-754007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Conical Seat, Bulge, 12mm x 1.50 RH, 1.4 in. Long, Closed End, Steel, Black Chrome, Set of 4

Part Number: SUM-754001B

4.8 out of 5 stars ( 5 )

Estimated Ship Date: May 13, 2026 if ordered today

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Wiring Harness, Dash Harness, Automatic Transmission, With Seat Belt Ignition Interlock, Chevy, Each

Part Number: SUM-RP21129

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Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Conical Seat, Bulge, 12mm x 1.25 RH, Open End, Steel, Zinc Plated, Set of 4

Part Number: SUM-7540020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Conical Seat, Bulge, 14mm x 2.0 RH, 1.4 in. Long, Closed End, Chrome Plated Steel, Set of 4

Part Number: SUM-754004

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Lug Nuts, Flat Seat with Shank, 7/16 in. x 20 RH, 1.380 in. Shank Length, Closed End, Steel, Chrome, Set of 4

Part Number: SUM-7540123

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

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Lug Nuts, Flat Seat with Shank, 14mm x 1.50 RH, 1.380 in. Shank Length, Closed End, Steel, Chrome, Set of 4

Part Number: SUM-7540122

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Lug Nuts, Flat Seat with Shank, 7/16 in. x 20 RH, .750 in. Shank Length, Closed End, Steel, Chrome, Set of 4

Part Number: SUM-7540082B

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Estimated Ship Date: May 13, 2026 if ordered today

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BBC 1.645 Triple Springs, Endurance S.R., .950 Max Lift @ 350 Lb. seat @ 2.150 Installed, 1004 Lb. @ 1.200 Open, 1.130 C.B., 688 Rate, 183g PAC 1358

Part Number: SUM-174046TP-1

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Estimated Ship Date: Apr 24, 2026 if ordered today

Wiring Harness, Dash Harness, Automatic Transmission, Without Seat Belt Ignition Interlock, Chevy, Each

Part Number: SUM-RP21131

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Estimated Ship Date: May 13, 2026 if ordered today

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SBC 1.550 Dual Springs, Drag Solid Roller .800 Max Lift @ 275 Lb. seat@ 2.000 Installed, 805 Lb. @ 1.200 Open, 1.150 C.B., 663 Rate, Like PAC 1226

Part Number: SUM-174032D-16

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Wiring Harness, Dash Harness, With A/C, With Seat Belt Ignition Interlock, Chevy, Each

Part Number: SUM-RP21127

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Estimated Ship Date: May 13, 2026 if ordered today

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