1978 Parts and Accessories

Piston Set, 453 Late Pontiac K3-FX Series -7cc Late Flat Top Piston Set. 4.150 bore

Part Number: DMS-K3-6130-4150

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Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K3-FX Series -4cc Flat Top inline Piston Set. 4.030 bore

Part Number: DMS-K3-3500-4030

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K3-FX Series -4cc Flat Top inline Piston Set. 4.000 bore

Part Number: DMS-K3-3400-4000

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston Set, 331 Stroker SBF 289 - 302 K3-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.060 bore

Part Number: DMS-K3-3258-4060

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston Set, 420 SBC K3-FX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K3-2466-4185

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston Set, 360 AMC V8 K3-FX Series -3cc AMC Flat Top Piston Set. 4.140 bore

Part Number: DMS-K3-6600-4140

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Differential, Detroit Locker, 35-Spline, Dana 70-HD, Each

Part Number: ETN-225SL58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Disc Brake Kit, Rear Conversion, Cross-drilled/Slotted Rotors, Black Powdercoated Calipers, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: LEB-BRC1002X

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Estimated Ship Date: Apr 9, 2026 if ordered today

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$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $984.81

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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SB Mopar 360 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-MOP3604000

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.750 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445440C

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.375 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445426C

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Estimated Ship Date: May 8, 2026 if ordered today

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Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1005

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Disc Brake Kit, Dynapro Parking Brake, Rear, 11 in. Solid Surface Rotors, 4-Piston Red Powdercoated Calipers, GM 7.625 in., Kit

Part Number: WIL-140-17120-R

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Steering Column, Retrofit, Tilt, Aluminum, Polished, Floor Shift, Ford, Pickup, Each

Part Number: IDT-1070810040

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-206

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Differential, Grip Pro Traction System, 35-Spline, Dana 60, Each

Part Number: PWT-GT436035

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Disc Brakes, Front, Pro Series, Solid Surface Rotors, 4-Piston Red Calipers, For Magnum Force Spindles, Kit

Part Number: WIL-140-11019-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Disc Brake Kits, Forged Dynalite Pro, Front, Red Powdercoated Caliper, 11 in. Vented Rotor, 5 x 4.50 in., Chrysler, Dodge, Plymouth, Kit

Part Number: WIL-140-15465-R

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Steering Column, Retrofit, Tilt, Column Shift, 2 1/4 in. Diameter, 3/4 in. 36-Spline, Includes Switches and Levers, Steel, Natural, Ford, Each

Part Number: IDT-1130811010

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Estimated Ship Date: May 4, 2026 if ordered today

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Disc Brakes, Rear, Forged Narrow Dynapro-P Radial, 11.42 in. Rotor, GT Vented, Slotted Surface, 4-Piston Black Calipers, 3.5 in. Mount, Porsche, Kit

Part Number: WIL-140-17002

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston and Ring Kit, Powerpack Plus, Gas Ported, Dome, Forged Aluminum, 4.145 in. Bore, 3.500 in. Stroke, Chevy, Set of 8

Part Number: MLE-197836045

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Piston and Ring Kits, Forged, 4.185 in. Bore, Chevy, Small Block, Kit

Part Number: MLE-197754585

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Pistons, Forged, 4.030 in. Bore, 3.500 in. Stroke, Flat Top, 6.125 in. Rod Length, 0.927 in. Pin Diameter, SBC 23 degree, Chevy, Set of 8

Part Number: PIS-1001018

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, 351W, Each

Part Number: SCA-4351W60

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