Availability
Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each
Part Number: SUM-152123
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 175cc Intake Runner, Chevy, Small Block, Each
Part Number: SUM-151124
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts,Grommets ,Gaskets, Right/Passenger Side, GM LS, Each
Part Number: SUM-440555B
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Left/Drivers Side, GM LS, Each
Part Number: SUM-440550
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts, Grommets,Gaskets, Left/Drivers Side, GM LS, Each
Part Number: SUM-440550B
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Right/Passenger Side, GM LS, Each
Part Number: SUM-440555
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.615 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LQ4 LQ9, Each
Part Number: SUM-8725R1
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod
Part Number: SUM-BBC425063851
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Cylinder Head Fasteners, Extreme Duty, 12-point Head Style, Stud, Chromoly, Black Oxide, Duramax, Kit
Part Number: SUM-910524
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
SB Chevy Forged Steel crankshaft, 4.000 Stroke, 400 Mains, 2 Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, 6.000 in. Rod
Part Number: SUM-SBC4004000
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
SUM-8725 Level 1 Cam Kit, Dual Springs, St. Ret. Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2
Part Number: SUM-8725-1-DLSTL
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Cam and Lifter kit, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.615 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Each
Part Number: SUM-K8725R1
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Camshaft, Duramax Pro 2 Cam, 187/189 Duration @.050 in., 106.5 LSA, +2 advanced, Intake .389/Exhaust .392 Lift, Revised Firing Order, Each
Part Number: SUM-9002R1
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Camshaft, Duramax Pro 3 Cam, 190/193 Duration @.050 in., 108.5 LSA, +2 advanced, Intake .389/Exhaust .392 Lift, Revised Firing Order, Each
Part Number: SUM-9003R1
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
SUM-8725 Level 2 Cam Kit, Beehive Springs, Gaskets, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2
Part Number: SUM-8725-2-BHV
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
SUM-8725 Level 2 Cam Kit, Dual Springs, St. Ret., Gaskets, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Duration., 117.5+5.5, .625/.605 Lift, 3-bolt,
Part Number: SUM-8725-2-DLSTL
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
SUM-8725 Level 2 Cam Kit, Dual Springs,Ti. Ret., Gaskets, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Duration., 117.5+5.5, .625/.605 Lift, 3-bolt,
Part Number: SUM-8725-2-DLTI
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
SUM-8725 Level 1 Cam Kit, Dual Springs, Ti. Ret. Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2
Part Number: SUM-8725-1-DLTI
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
SUM-8725 Level 1 Cam Kit, Beehive Springs, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2
Part Number: SUM-8725-1-BHV
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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