Precision Performance Engines

10/16/2026

LS Sleeved 427 for sale! $8,000

Shop Inventory #145

427ci (Big Bore) LC9 siamese bore aluminum block 4.125” bore
PowerBore Ductile Iron Performance Fl**ge Sleeves
4340 Forged K1 crank with 4.00” stroke 58x wheel
Molnar power adder rods w/ arp2000
CP -5cc Flst top 2618 forged pistons with performance rings.
Gapped for boost .028” top ring .030 second ring
The following services were completed in our machine shop:

Jet wash
Bake/shot peen
CNC Sleeve Service to blueprint specs
Line hone
CNC Hone w/ torque plates
Lifter bores burnished
CNC DOD towers threaded and plugged
Balanced under 2 gram-inches
CNC decked in our 4th axis fixture to true crankshaft centerline.
oil valley, and oil pan rails are machined flat as well
Mains are at .0025” clearance
Rods are .0028” oil clearance
ACL main bearings
ACL rod bearings
Durabond performance cam bearings
Freeze plugs, deburred, and final cleaned
ARP main studs
1300hp capacity

Shipping $350 to terminal for pickup

10/16/2026

10/09/2026

2027 champ endurance races incoming ✅

10/08/2026

LS Sleeved 427 for sale! $8,000

Shop Inventory #144

427ci (Big Bore) LC9 siamese bore aluminum block 4.125” bore
PowerBore Ductile Iron Performance Fl**ge Sleeves
4340 Forged K1 crank with 4.00” stroke 24x wheel
Molnar power adder rods w/ arp2000
Mahle -20cc dished 2618 forged pistons with performance rings.
Gapped for boost .028” top ring .030 second ring
The following services were completed in our machine shop:

Jet wash
Shot Peen
CNC Sleeve Service to blueprint specs
Line hone
CNC Hone w/ torque plates
Lifter bores burnished
CNC DOD towers threaded and plugged
Balanced under 2 gram-inches
CNC decked in our 4th axis fixture to true crankshaft centerline.
oil valley, and oil pan rails are machined flat as well
Mains are at .0025” clearance
Rods are .0028” oil clearance
ACL main bearings
ACL rod bearings
Durabond performance cam bearings
Freeze plugs, deburred, and final cleaned
ARP main studs
1300hp capacity

Shipping $350 to terminal for pickup

10/07/2026

-SOLD-

NEW LSX 427 for sale! $10,500.00

THESE DONT LAST LONG

Shop Inventory #155

Buyer gets access to over 30+ pictures/videos documenting the entire build!

427ci LSX CAST IRON block 4.125” bore
Callies Compstar 8CCW 58x with 4.00” stroke
Callies extreme 1600hp rods arp2000
CP flat top -4.6cc 2618 forged pistons with performance rings.
Gapped for boost .030 top ring .032 second ring
The following services were completed in our machine shop:

Jet wash
Shot Peen
CNC bore to blueprint specs
Line hone with arp main studs
CNC Hone w/ torque plates
Lifter bores burnished
CNC DOD towers threaded and plugged
Balanced under 2 gram-inches
CNC decked in our 4th axis fixture to true crankshaft centerline.
oil valley, and oil pan rails are machined flat as well
Mains are at .0025” clearance
Rods are .0028” oil clearance
ACL main bearings
ACL rod bearings
Durabond performance cam bearings
Freeze plugs, deburred, and final cleaned
ARP main studs
1600 HP capacity

Shipping $350 to terminal for pickup

10/06/2026

-SOLD-

LS Sleeved 416 for sale! $7,500

Shop Inventory #152

416ci LS3 aluminum block 4.070 bore
Performance Fl**ge Sleeves
K1 Forged Crankshaft 58x with 4.00” stroke
Molnar power adder rods w/ arp2000
CP -11cc dished 2618 forged pistons with performance rings. BLS-1007-005
Gapped for boost .028” top ring .030 second ring
The following services were completed in our machine shop:

Jet wash
Shot Peen
CNC Sleeve Service to blueprint specs
Line hone
CNC Hone w/ torque plates
Lifter bores burnished
CNC DOD towers threaded and plugged
Balanced under 2 gram-inches
CNC decked in our 4th axis fixture to true crankshaft centerline.
oil valley, and oil pan rails are machined flat as well
Mains are at .0024” clearance
Rods are .0028” oil clearance
ACL main bearings
ACL rod bearings
Durabond performance cam bearings
Freeze plugs, deburred, and final cleaned
ARP main studs
1300 HP recommended capacity

Shipping $350 to terminal for pickup

10/04/2026

-SOLD-

LS Sleeved 427 for sale! $8,500.00

Shop Inventory #147

427ci (Big Bore) LC9 siamese bore aluminum block 4.125” bore
PowerBore Ductile Iron Performance Fl**ge Sleeves
Callies Compstar 8CCW 58x with 4.00” stroke
Molnar power adder rods w/ arp2000
CP -14cc dished 2618 forged pistons with performance rings.
Gapped for boost .028” top ring .030 second ring
The following services were completed in our machine shop:

Jet wash
Shot Peen
CNC Sleeve Service to blueprint specs
Line hone
CNC Hone w/ torque plates
Lifter bores burnished
CNC DOD towers threaded and plugged
Balanced under 2 gram-inches
CNC decked in our 4th axis fixture to true crankshaft centerline.
oil valley, and oil pan rails are machined flat as well
Mains are at .0025” clearance
Rods are .0028” oil clearance
ACL main bearings
ACL rod bearings
Durabond performance cam bearings
Freeze plugs, deburred, and final cleaned
ARP main studs
1300 HP capacity

Shipping $350 to terminal for pickup

09/30/2026

🔥 SHORT BLOCK INVENTORY SALE — READY FOR PICKUP 🔥

Precision Performance Engines has a lineup of LS short blocks IN STOCK and ready for pickup. No waiting months for machine work or parts — pick your combination and get your build moving.

#42 — $3,600
Aluminum Gen 4 LC9 • 329ci • 58x
Stock Crank • Liberty Rods • Mahle Pistons • 11:1

#68 — $5,000
Cast Gen 3 • 408ci • 24x
K1 Crank • Liberty H-Beam Rods • Mahle Pistons • 11:1

#117 — $9,000
LSX • 442ci • 58x
Callies Crank • Callies Rods • Custom JE FSR Flat Tops • 11:1

#137 — $5,900
Cast Gen 4 • 408ci • 58x
K1 Crank • Molnar Rods • CP Flat Tops • 11:1

#144 — $7,900
Sleeved Aluminum LC9 • 427ci • 24x
K1 Crank • Molnar Rods • Mahle Dish Pistons • 10:1

#145 — $8,000
Sleeved Aluminum LC9 • 427ci • 58x
K1 Crank • Molnar Rods • CP Flat Tops • 11:1

#152 — $7,500
Sleeved Aluminum LS3 • 416ci • 58x
K1 Crank • Molnar Rods • CP Pistons • 11:1

#153 — $7,500
Sleeved Aluminum LS3 • 416ci • 58x
K1 Crank • Molnar Rods • CP Dish Pistons • 10.2:1

#154 — $5,900
Cast Gen 3 • 408ci • 24x
K1 Crank • Molnar Rods • CP Flat Tops • 11:1

#155 — $10,000
LSX • 427ci • 58x
Callies Crank • Callies Rods • CP Flat Tops • 11:1

#157 — $15,000
NEW Dart SHP PRO • 440ci • 58x
Billet Molnar Crank • BoostLine Rods • Diamond Flat Tops • 11:1

🏁 11 SHORT BLOCKS — IN STOCK NOW

Whether you’re putting together a street car, N/A combination, or serious boosted build, we have several different foundations ready to go.

Message Precision Performance Engines for more information, additional pictures, or to claim an engine number.

📍 Toledo, Ohio Area
Precision Performance Engines
www.precisionautoandperformance.com

First come, first served. When they’re gone, they’re gone.

09/12/2026

Wishing best of luck to Race Loving Motorsports at the Speedrome, racing in the world figure 8 3 hour championship!

07/09/2026

2 sleeved big bore LT1’s and 5 LS big bore 427’s in works. Sold 2 today. Plenty more available! Give us a call 419-290-1542!

Toledo’s state of the art veteran owned and operated high performance machine shop 👌🏻🫡