Engines & Components

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each

Part Number: DRT-31937221

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937222

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.450 Deck, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947121

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.450 Deck, Raised Cam, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947122

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

SBC Alum LSNext 9.450"-4.000 LS Main raised cam

Part Number: DRT-31937122

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.450 Deck, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947221

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

Bare Blocks, Dart LS Next Series, Aluminum, 9.450 in Deck Height, 4.125 in Bore, Steel Main, 4-Bolt Mains,1-Piece Rear Main Seal, LS Gen III/IV, Chevy

Part Number: DRT-31947222

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Free Shipping
• Special Order

HD OVERHAUL KIT

Part Number: CLE-4801027STD

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

24 Valve Cummins Hamilton Cams War Head w/ 103 valve springs and titanium steel retainers PORTED 320 CFM

Part Number: HML-07-H-008E

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

CYLINDER

Part Number: DCC-05004038AB

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Free Shipping
• Special Order

VIPER BILLETS 4.200 STROKE COMPSTAR CRANK

Part Number: CPI-KV12J1H-CS

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

COMPSTAR VIPER 3.960 3.000 2.125

Part Number: CPI-KV329JH-CS

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES NOONAN 4.900 BORE SPACING ULTRA BOOST 4.125 / 2.747 / 2.374

Part Number: CPI-F1U-P7-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES 481X RCD SPLINED ULTRA BOOST 4.250 / 2.747 / 2.197

Part Number: CPI-FXP-PR-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES BB ULTRA BOOST TF FLANGE 4.125 2.750 2.374

Part Number: CPI-FXU-47-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES HEMI ULTRA BILLET 4.250 STROKE 481X

Part Number: CPI-FXP-UY-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

LSA ULTRA BOOST CRANK 4.000 2.559 2.100

Part Number: CPI-5PO-31-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES LSA SHORT POST ULTRA BOOST CRANK 4.000/2.750/2.100

Part Number: CPI-5PO-71-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES LS 8 BOLT FLANGE ULTRA BOOST CRANK 4.250 2.559 2.100

Part Number: CPI-5PP-31-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

LT1 ULTRA BOOST 4.000/2.559/2.100

Part Number: CPI-5TO-31-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

LS7 ULTRA BOOST CRANK 4.080/2.559/2.100

Part Number: CPI-5UA-31-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

LS7 ULTRA BOOST CRANK 3.750/2.559/2.100

Part Number: CPI-5UJ-31-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

LT LONG SNOUT ULTRA BOOST CRANK 4.000 2.559 2.100

Part Number: CPI-5UO-31-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES BBF ULTRA BOOST CRANK 5.170/3.000/2.200

Part Number: CPI-991BH2-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES 460 ULTRA BOOST 3.825/3.000/2.200

Part Number: CPI-993CH2-UB

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Free Shipping
• Special Order