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Jeep 4.0 Stroker Kits

STAGE 1 ROTATING ASSEMBLY 9.0:1C.R.
| Sealed Power cast pistons #677AP |
| Perfect Circle Moly piston rings #40514CP |
| Brand New Scat 3.895” stroke, 9000 Series performance cast steel crankshaft. #9-4.2L-3895-2123 |
| Reconditioned connecting rods with upgraded ARP bolts #4.2L-5.850” |
| Clevite rod bearings (all years) #CB960P |
| Clevite main bearings (1987-1990 #MS704P) (1991-UP #MS1947P) |
| $1049 USD | Buy Now |
STAGE 2 ROTATING ASSEMBLY 9.25:1C.R.
| Sealed power hypereutectic coated skirt pistons #H825CP |
| Perfect Circle Moly piston rings #40514CP |
| Brand New Scat 3.895” stroke, |
| 9000 Series performance cast steel crankshaft. #9-4.2L-3895-2123 |
| Reconditioned connecting rods with upgraded ARP bolts #4.2L-5.850” |
| Clevite rod bearings (all years) #CB960P |
| Clevite main bearings (1987-1990 #MS704P) (1991-UP #MS1947P) |
| $1109 USD | Buy Now |
STAGE 3 ROTATING ASSEMBLY 9.6:1C.R.
| Icon forged pistons #IC944 |
| Perfect Circle Moly piston rings #40514CP |
| Brand New Scat 3.895” stroke, 9000 Series performance cast steel crankshaft. #9-4.2L-3895-2123 |
| Reconditioned connecting rods with upgraded ARP bolts #4.0L-6.123” |
| Clevite rod bearings (all years) #CB960P |
| Clevite main bearings (1987-1990 #MS704P) (1991-UP #MS1947P) |
| $1299 USD | Buy Now |

Add a Cam Kit
Choose between:
Stage 1 Performance Cam Kit | $327 USD
Duration 263/265. Includes: Camshaft, Lifters, Timing Set, Pushrods and Cambolt. This is the only kit that works with stock valve springs.
Stage 2 Performance Cam Kit | $458 USD
Duration 214/218 @ .050 lift. Includes: Camshaft, Lifters, Timing Set, Pushrods, Cambolt, Valve Springs, Retainers and Keepers.
Stage 3 Performance Cam Kit | $458 USD
Duration 272/280. Includes: Camshaft, Lifters, Timing Set, Pushrods, Cambolt, Valve Springs, Retainers and Keepers.
Add a HP Ported Head
Choose between:
Stage 2 Performance Head | $600 USD
Stage 3 Performance Head | $665 USD
$100 refundable core charge
Heads are shot peened, magnufluxed to check for cracks. Each receive a complete 3 angle valve job. Valve seats are opened up to accommodate large intake (2.0 in.) and exhaust valves (1.551 in.). Custom port work is then performed to help the engine breath better and to increase the power. The head is then assembled with the new oversize valves and performance valve keepers.




