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1974 Summit Racing Engines & Components
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Master Engine Hardware Kit, 1970-74 Mopar, 383/400/440, Complete OE Style Engine Fastener Kit In One Package, 153 Piece Kit
Part Number: SUM-RP80382
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Combo, Rocker Arms, Roller, 1.7 Ratio, 7/16 in. Stud, Gaskets, Spark Plugs, Chevy, Big Block, V8, Kit
Part Number: CMB-08-0047
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Pro BBF Big Block FE Best Hydraulic Roller Cam 1, 212/218 Duration, 108.5 LSA + 1.5 Adv. .582/.582 lift 1.75 ratio, 2,500 to 6,000 basic rpm, 390 428
Part Number: SUM-8915
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Pro BBF Big Block FE Best Hydraulic Roller Cam 3, 224/236 Duration, 111 LSA + 4 Adv. .582/.582 lift 1.75 ratio, 3,400 to 6,600 basic rpm, 390 428
Part Number: SUM-8917
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Pro BBF Big Block FE Best Hydraulic Roller Cam 6, 242/248 Duration, 110.5 LSA + 4.5 Adv. .582/.582 lift 1.75 ratio, 4,000 to 7,100 basic rpm, 390 428
Part Number: SUM-8920
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Pro BBF Big Block 385 Ser. Best Hydraulic Roller Cam 2, 218/232 Duration, 111.5 LSA + 4.5 Adv. .582/.582 lift 1.75 ratio, 2,400 to 5,800 basic rpm
Part Number: SUM-8931
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Pro BBF Big Block 385 Ser. Best Hydraulic Roller Cam 5, 236/248 Duration, 111 LSA + 5 Adv. .582/.582 lift 1.75 ratio, 3,300 to 6,700 basic rpm 429 460
Part Number: SUM-8934
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
SB Chevy Forged Steel crankshaft, 3.750 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod
Part Number: SUM-SBC4003750
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
