Summit Racing Engines & Components

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 ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Mockup Bock, Cummins 5.9 12V Diesel, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774005

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Mockup Block, Cummins 4BT, Long Block, Steel, Includes bolts, Each

Part Number: SUM-774006

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Piston Rings, Complete Set, 4.115 in. Bore, 0.060 in. Oversize, GM, 6.5L Diesel, Set

Part Number: SUM-4744D-150

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Piston Rings, Complete Set, 3.770 in. Bore, 0.030 in. Oversize, Ford, 6.0L Powerstroke, Set

Part Number: SUM-5374D-75

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Piston Rings, Complete Set, 3.780 in. Bore, 0.040 in. Oversize, Ford, 6.0L Powerstroke, Set

Part Number: SUM-5374D-100

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Piston Rings, Complete Set, 4.055 in. Bore, Standard Bore, GM, 6.5L Diesel, Set

Part Number: SUM-4744D-00

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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