Availability
CHEVROLET Summit Racing Parts and Accessories
Big Block PRO BBC H.R. 6 H.O. Cam, LS Firing Order, 242/256 Duration @ .050, 108 LSA + 4 Adv., .624/.620 with 1.7 ratio, .661/.655 with 1.8, 3800-6800
Part Number: SUM-1256-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 7 H.O. Cam, LS Firing Order, 248/264 Duration @ .050, 108 LSA + 4 Adv., .624/.624 with 1.7 ratio, .661/.661 with 1.8, 3900-7000
Part Number: SUM-1257-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 8 H.O. Cam, LS Firing Order, 252/264 Duration @ .050, 108 LSA + 4 Adv., .624/.624 with 1.7 ratio, .661/.661 with 1.8, 4000-7000
Part Number: SUM-1258-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 9 H.O. Cam, LS Firing Order, 255/264 Duration @ .050, 108 LSA + 4 Adv., .700/.700 with 1.7 ratio, .741/.741 with 1.8, 4100-7200
Part Number: SUM-1259-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 10 H.O. Cam, LS Firing Order, 264/276 Duration @ .050, 108 LSA + 4 Adv., .700/.700 with 1.7 ratio, .741/.741 with 1.8 4200-7300
Part Number: SUM-1260-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 11 H.O. Cam, LS Firing Order, 270/276 Duration @ .050, 108 LSA + 1 Adv., .700/.700 with 1.7 ratio, .741/.741 with 1.8 4300-7400
Part Number: SUM-1261-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 12 H.O. Cam, LS Firing Order, 276/285 Duration @ .050, 108 LSA + 1 Adv, .700/.700 with 1.7 ratio, .741/.741 with 1.8 4500-7500
Part Number: SUM-1262-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Block PRO BBC H.R. 5.5 H.O. Cam, LS Firing Order, 236/252 Duration @ .050, 110 LSA + 4 Adv, .624/.624 with 1.7 ratio, .661/.661 with 1.8 3700-6600
Part Number: SUM-1263-H-O
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Kit, Start Up, Crate Engine, GM, V8, SBC, Kit
Part Number: SUM-CSUMGMINS01
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Transmission Crossmember, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770529
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, T-56, Each
Part Number: SUM-770350
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770527
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, B-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770538
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Crossmember, Transmission, Steel, Black, GM, T-56, Each
Part Number: SUM-770305
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770528
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770530
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770534
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, B-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770539
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, B-Body, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770540
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770574
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770575
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: SUM-770576
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, Chevy, Each
Part Number: SUM-770577
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, Chevy, Each
Part Number: SUM-770578
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Transmission Crossmember, Steel, Black Powdercoated, F-Body, Chevy, Pontiac, Each
Part Number: SUM-770547
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster