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Performance Heads

JAK's Diesel performance cylinder heads for Caterpillar, Cummins, Detroit, and more. Available in Stage 1 (stock-spec), Stage 2 (upgraded intake valves), Stage 3 (all-Inconel), and Stage 6 (maximum performance) builds. Pressure-tested, fully assembled, and backed by our warranty.

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3078380 Cummins N14 Cylinder Head Stage 1 Regular Intake & Exhaust Valves
Cummins N14
3078380 Cummins N14 Cylinder Head Stage 1 Regular Intake & Exhaust Valves
060161, 060161X-100, 060161X100, 3078360, 3078380, 3083981, 3084058, 3084060, 3084981, 3084992, 3406738, 3406739, 3406739RX, 3406742, 3406742NX, 3406742RX, 3406742X, 3411780, 3411813, 3411814, 3411814NX, 3411814RX, 3411817, 5469793, HBRN3078380VS, HCM3078380, HCM3078380VS, HD210C, N3078380, N3078380VS
JAK'S JAKS-J3078380
In Stock — Ships Today
$1,074.35
5658283 Cummins ISX15 Dual Cam Cylinder Head Stage 3 Inconel Intake & Exhaust Valves
Cummins ISX15
5658283 Cummins ISX15 Dual Cam Cylinder Head Stage 3 Inconel Intake & Exhaust Valves
060162E, 060163, 060163E, 060163HP, 060163J, 060163X, 3104202, 3104287, 3104292, 3104425, 3104450, 3412277, 3412280, 3680855, 3680872, 3682836, 3682863, 3682863X, 3683002, 3683002NX, 3683002RX, 3683002X, 3683003, 3683986, 3683986RX, 3683986X, 3683987, 4026542, 4026626, 4026793, 4059225, 4059225C, 4059238, 4059246, 4059264, 4059432, 4101420, 4101420R, 4101455, 4331387, 4331387NX, 4331387RX, 4331387X, 4386011, 4926774, 4962731, 4962732, 4962732N, 4962732RX, 4962732X, 5413782, 5413782D, 5413782NX, 5413782PX, 5413782RX, 5413784, 5413784NX, 5413784RX, 5658283, 5658283PX, 5658283RX, 5658287, 5658287PX, 60163, D-ISXHEAD DUEL, DISXHEAD DUEL, HBRN4101420AVS, HBRN4101420FR, HBRN4101420IVS, HCM4101420, HCM4101420VS, MCB4962732, MCB5413782, N4101420VS, N4962732, P131378R, RX5413782
JAK'S JAKS-J4101420IV
In Stock — Ships Today
$3,760.00
5658294 Cummins X15 Single Cam Cylinder Head Stage 3 Inconel Intake & Exhaust Valves
Cummins X15
5658294 Cummins X15 Single Cam Cylinder Head Stage 3 Inconel Intake & Exhaust Valves
060167, 3686431, 3686432, 3686434, 3686660, 3686660NX, 3686774, 3686880, 3686881, 3686881NX, 3687398, 3687607, 3687607NX, 3688754, 3688761, 3688761RX, 3688800, 3688800RX, 3691250, 3691252, 3691253, 4298234, 4298235, 4298236, 4298237, 4298237NX, 4298238, 4298238NX, 4298238RX, 4356434, 4356434NX, 4356434RX, 4374091, 4374091RX, 4386009, 4386009RX, 5394197, 5394197RX, 5394198, 5394198RX, 5628268, 5628269, 5658203RX, 5658294, 565829400RX, 5658294RX, 565830100RX, 5658302, 5708760, 570876000RX, 5708760NX, 5708760RX, AK-4386009, AK4386009, D-ISXHEAD SINGLE, DISXHEAD SINGLE, HBRN4298234IVS, MCB5314198, N4298234AVS, N4298234IVS, N4298234VS
In Stock — Ships Today
$4,038.66
5658294 Cummins X15 Single Cam Cylinder Head Stage 2 Inconel Intake Valves
Cummins X15
5658294 Cummins X15 Single Cam Cylinder Head Stage 2 Inconel Intake Valves
060167, 3686431, 3686432, 3686434, 3686660, 3686660NX, 3686774, 3686880, 3686881, 3686881NX, 3687398, 3687607, 3687607NX, 3688754, 3688761, 3688761RX, 3688800, 3688800RX, 3691250, 3691252, 3691253, 4298234, 4298235, 4298236, 4298237, 4298237NX, 4298238, 4298238NX, 4298238RX, 4356434, 4356434NX, 4356434RX, 4374091, 4374091RX, 4386009, 4386009RX, 5394197, 5394197RX, 5394198, 5394198RX, 5628268, 5628269, 5658203RX, 5658294, 565829400RX, 5658294RX, 565830100RX, 5658302, 5708760, 570876000RX, 5708760NX, 5708760RX, AK-4386009, AK4386009, D-ISXHEAD SINGLE, DISXHEAD SINGLE, HBRN4298234IVS, MCB5314198, N4298234AVS, N4298234IVS, N4298234VS
JAK'S JAKS-J4298234
In Stock — Ships Today
$3,433.33
2239250 Caterpillar C15 / C15 Acert Cylinder Head Stage 1 Regular Valves
Caterpillar C15
2239250 Caterpillar C15 / C15 Acert Cylinder Head Stage 1 Regular Valves
10R9547, 20R-2647, 20R0409, 20R1107, 20R1108, 20R1109, 20R1183, 20R2647, 20R2648, 223-9250, 2239250, 2239250S1, 243-6741, 2436741, 245-4324, 2454324, 263-5055, 2635055, 2672060, 2672063, 312-8347, 3128347, 318-0476, 3180476, HBRN223-9250EVS, HBRN2239250EVS, MCB2239250A, N223-9250, N223-9250AVS, N223-9250EVS, N2239250, N2239250AVS, N2239250EVS, 2454324ACERTEX, P200011
JAK'S JAKS-J2239250
In Stock — Ships Today
$3,055.00
CAT C15 Dominator Kit - fully loaded cylinder head
Caterpillar C15
2239250 Caterpillar C15 / C15 Acert Cylinder Head Stage 3 Inconel Intake & Exhaust Valves
10R9547, 20R-2647, 20R0409, 20R1107, 20R1108, 20R1109, 20R1183, 20R2647, 20R2648, 223-9250, 2239250, 2239250S1, 243-6741, 2436741, 245-4324, 2454324, 263-5055, 2635055, 2672060, 2672063, 312-8347, 3128347, 318-0476, 3180476, HBRN223-9250EVS, HBRN2239250EVS, MCB2239250A, N223-9250, N223-9250AVS, N223-9250EVS, N2239250, N2239250AVS, N2239250EVS, 2454324ACERTEX, P200011
JAK'S JAKS-J2239250IV
In Stock — Ships Today
$4,108.00

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