Availability
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PRO BBC H.R. 4 Hydraulic Roller Cam, 4/7 Swap, 224/232 Duration @ .050, 110 LSA + 5 Adv. , .620/.620 with 1.7 ratio, .656/.656 with 1.8, 2800-6300
Part Number: SUM-1254
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS400024
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pro SBC Stage 6 Hyd. Flat-Tappet 4/7 Firing Order Swap Cam, 242/248 Dur., 108 LSA + 2 Adv, .510/.518 1.5 Ratio, .544/.553 1.6 Ratio, 2600-6600 Range
Part Number: SUM-1205
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
SB Chevy Forged Steel crankshaft, 3.875 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod
Part Number: SUM-SBC4003875
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pro SBC Stage 8 Hyd.Flat-Tappet 4/7 Firing Order Swap Cam, 252/258 Dur., 107 LSA + 1.5 Adv, .533/.540 1.5 Ratio, .569/.576 1.6 Ratio, 3200-7200 Range
Part Number: SUM-1207
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
PRO BBC H.R. 3 Hydraulic Roller Cam, 4/7 Swap, 218/226 Duration @ .050, 110 LSA + 6 Adv. , .595/.590 with 1.7 ratio, .630/.625 with 1.8, 2500-6000
Part Number: SUM-1253
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Forged Pro SBC 4340 Forged Steel H-Beam Connecting Rods, 5.700 in. Length, .927 Floating Pin, ARP L19- 260K PSI 7/16 in. 12 pt. Bolts, Set of 8
Part Number: SUM-SBC570019H
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pro SBC Hyd. Roller Cam, Turbo Stage 3, 232/232 Duration, 115 LSA + 5 Adv., .550/550 Lift with 1.5 Ratio, .587/.587 1.6 Ratio, 3500-7200 Rpm Range
Part Number: SUM-8807
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Lifters, Short Travel, Race, Hydraulic Roller, Chevy, 4.8L LS, 5.3L LS, 6.0L LS, Pair
Part Number: CCA-15956-2
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
PRO BBC H.R. 1 Hydraulic Roller Cam, 4/7 Swap, 204/214 Duration @ .050, 110 LSA + 4 Adv. , .510/.510 with 1.7 ratio, .540/.540 with 1.8, Idle-5600
Part Number: SUM-1251
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Camshaft, Duramax Pro 1 Cam, 184/187 Duration @.050 in., 105.5 LSA, +2 advanced., Intake .389/Exhaust .392 Lift, Revised Firing Order, Each
Part Number: SUM-9001R1
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each
Part Number: HME-DM29
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gen. 1.5 LT1 Forged Steel Crankshaft, 3.750 stroke, 5.700 Rod, Lightened, bull-nose counterweights, Nitride Hardened, 1 piece rear main seal
Part Number: SUM-SBCLT37501P
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Crate Engine, Marine, Long Block, Assembled, Internal Engine Balance, Cast Iron Heads, Chevy, 305, Each
Part Number: HME-DM07
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Lifters, Race Series, Hydraulic Roller, Vertical Bar, Chevy, Big Block, Each
Part Number: HRS-91162-1
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Cam Bearings, Race Only, Solid Cast Aluminum Alloy, Fits Dart Race Engine Blocks, Chevy, 2.010 in. Journals, Each
Part Number: DRT-32210022
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Piston and Ring Kit, Forged, Flat, 4.530 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-IC950KTD-030
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
SBC Forged 427 Balanced Assembly, 4 in. stroke, 350 main, 2 pc. RMS, H-Beam Rod, Forged Piston 11.2:1@ 58cc, 10.5:1@64cc, 10.25:1@67cc, 9.75:1@72cc
Part Number: SUM-SBC427RB125
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Crate Engine, Marine, Long Block, Assembled, Internal Balance, Cast Iron Heads, Chevy, 262 V6, Each
Part Number: HME-DM27
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each
Part Number: HME-DMC7
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.65 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Each
Part Number: PQX-0235018-01
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Engine Oil Cooler Bypass Valve
Part Number: ADO-25014694
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Piston and Ring Kit, Hypereutectic, Step Dish, 4.500 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB389KTD-034
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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