Competition Cams & Lifter Kits:
Hardin Marine has worked closely with Comp Cams to bring you the first camshaft design solely for marine applications, Xtreme Marine Camshafts are designed specifically for marine engines and their unique requirements. The small and mid-range cams are designed with cruising speeds and fuel economy in mind, while the big cams are designed for maximum power.
The smaller Xtreme Energy Cams are intended for applications where
low idle speeds are required by the outdrive's transmission and where
restrictive exhaust systems require special camshafts that work well against
back-pressure typical in stock wet exhaust systems. These unique
camshafts generate an extremely wide powerband, offering the low-end
torque needed to jerk skiers up quickly or accelerate quickly out of the hole
and the high speed power needed to be the fastest boat on the water.
Larger Xtreme Marine Camshafts are engineered for engines with less restrictive exhaust systems and drives that will tolerate higher idle speeds. They're an excellent choice for jet boats or power boats with good through transom exhaust systems and/or up and over headers.
The largest of the family, the bad boys, are for engines with free flowing exhaust systems and special high RPM jet or outdrives. An excellent all-out cam when low-speed torque is less critical, they're for high RPM use only.
Xtreme Marine Camshafts are available for both Big and Small Block Chevy's and Big Block Fords, now even Oldsmobile's.
Click on the part number to
check pricing or place an order.
| APPLICATION | VALVE SETTING | CAM ONLY | DURATION IN DEGREES | LIFT WITH 1.5 ROCKER ARMS | LOBE SEP. ANGLE | |||||
| ADVERTISED | @ .050" | |||||||||
| IN. | EX. | IN. | EX. | IN. | EX. | IN. | EX. | |||
| Chevrolet 262-400 CID
XTREME MARINE Note: " CL" Indicates Cam & Lifter Kit Part Number |
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| Hydraulic - good inboard/outboard pleasure, ski and economy, good idle, 1600-5000 RPM | HYD | HYD | 256 | 262 | 212 | 218 | .447 | .462 | 112° | |
| Hydraulic - biggest for inboard/outboard, good mid-range, excellent response, noticeable idle, 1600-5400 RPM | HYD | HYD |
295-122363 295-122363CL |
262 | 268 | 218 | 224 | .462 | .477 | 112° |
| Hydraulic - Jet with A impeller, strong mid-range, good throttle response, noticeable idle, 1600-5800 RPM | HYD | HYD |
295-122404 295-122404CL |
270 | 286 | 226 | 236 | .480 | .489 | 112° |
| Hydraulic - Jet with A-B impeller, good offshore high performance cam, rough idle, 2000-6200 RPM | HYD | HYD |
295-122444 295-122444CL |
278 | 292 | 234 | 244 | .498 | .500 | 112° |
| Hydraulic - Jet with A impeller, 9.5 compression, needs headers, bracket racing and high performance use, 2500-6500 RPM | HYD | HYD |
295-122484 295-122484CL |
290 | 306 | 246 | 256 | .516 | .522 | 112° |
|
Chevrolet 262-400 CID XTREME MARINE Retro Fit Hydraulic Roller Note: " K" Indicates Cam & Lifter Kit Part Number |
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| Hydraulic Roller - good inboard/outboard, pleasure, ski, and economy, smooth idle, 1000-5000 RPM | HYD | HYD |
295-124168 295-124168K |
264 | 270 | 212 | 218 | .488 | .495 | 112° |
| Hydraulic Roller - largest for inboard/outboard, good for mid-range, noticeable idle, 1200-5200 RPM | HYD | HYD |
295-124178 295-124178K |
270 | 276 | 218 | 224 | .495 | .503 | 112° |
| Hydraulic Roller - good for Jet boat with A impeller, strong mid-range, needs good exhaust, 1500-5500 RPM | HYD | HYD |
295-124188 295-124188K |
276 | 282 | 224 | 230 | .503 | .510 | 112° |
| Chevrolet 262-400 CID XTREME MARINE 1987 to present Note: " K" Indicates Cam & Lifter Kit Part Number |
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| Hydraulic Roller - good for pleasure use and economy smooth idle, 1000-5000 RPM | HYD | HYD |
295-084168 295-084168K |
264 | 270 | 212 | 218 | .488 | .495 | 112° |
| Hydraulic Roller - largest for inboard/outboard, good for strong mid-range, noticeable idle, 1200-5200 RPM | HYD | HYD |
295-084178 295-084178K |
270 | 276 | 218 | 224 | .495 | .503 | 112° |
| Hydraulic Roller - good for jet with A impeller, needs good exhaust, 1500-5500 RPM | HYD | HYD |
295-084188 295-084188K |
276 | 282 | 224 | 230 | .503 | .510 | 112° |
|
Chevrolet 396-502 CID XTREME MARINE Gen 4&5 Note: " CL" Indicates Cam & Lifter Kit Part Number |
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| Hydraulic - biggest for inboard/outboard, good for ski, economy and performance, 1000-5000 RPM |
295-112323 295-112323CL |
262 | 268 | 218 | 224 | .505 | .515 | 112° | ||
| Hydraulic - jet with A impeller, strong mid-range, good throttle response, noticeable idle, 1600-5800 RPM |
295-112364 295-112364CL |
270 | 286 | 226 | 236 | .544 | .547 | 112° | ||
| Hydraulic - jet with A impeller, needs improved intake, likes headers, 2000-6200 RPM |
295-112404 295-112404CL |
278 | 292 | 234 | 237 | .564 | .566 | 112° | ||
| Hydraulic - jet with A or B impeller, 9.5 compression, needs headers, bracket racing, performance use, 2500-6200 RPM |
295-112444 295-112444CL |
288 | 304 | 244 | 254 | .570 | .575 | 112° | ||
| Hydraulic - jet with B impeller, 10.0 compression, river drags, bracket racing, 3200-6800 RPM |
295-112524 295-112524CL |
298 | 316 | 254 | 264 | .575 | .578 | 112° | ||
| XTREME MARINE HYDRAULIC
Roller and Retro Fit Hydraulic Roller for B/B Chevy Note: " K" Indicates Cam & Lifter Kit Part Number - These kits include: camshaft, hydraulic roller lifters, valve springs, retainers, valve locks, seals and assembly lube. |
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| Hydraulic - good for inboard/outboard, pleasure use, 1600-5400 RPM | Gen 4&5 |
295-114458 295-114458K |
270 | 276 | 218 | 224 | .510 | .510 | 112° | |
| Gen 6 |
295-014458 295-014458K |
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| Hydraulic - good for jet with A impeller, pleasure or performance use, 2200-5800 RPM | Gen 4&5 |
295-114518 295-114518K |
284 | 290 | 230 | 236 | .547 | .547 | 112° | |
| Gen 6 |
295-014518 295-014518K |
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| Hydraulic - good for jet with A or B impeller, bracket racing or performance use, 2800-6200 RPM | Gen 4&5 |
295-114568 295-114568K |
296 | 302 | 242 | 248 | .566 | .566 | 112° | |
| Gen 6 |
295-014568 295-014568K |
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| Hydraulic - good for jet with B impeller, 10.0 compression, river drags or bracket racing use, 3500-6500 RPM | Gen 4&5 |
295-114618 295-114618K |
308 | 314 | 254 | 260 | .575 | .575 | 112° | |
| Gen 6 |
295-014618 295-014618K |
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|
HARDIN/COMP Custom
Ground Hydraulic Roller Cam Kits and Retro Fit Roller for B/B Chevy Note: " K" Indicates Cam & Lifter Kit Part Number - These kits include: camshaft, hydraulic roller lifters, valve springs, retainers, valve locks, seals and assembly lube. |
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| Hydraulic Roller - perfect for a customer seeking HP 500 style performance with a silent choice style exhaust system. | Gen 4&5 |
295-111008 295-111008K |
284 | 284 | 224 | 224 | .566 | .566 | 112° | |
| Gen 6 |
295-011008 295-011008K |
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| Hydraulic Roller - this is an incredible camshaft for your late model 454/502 Magnum EFI engine, big power going, yet still EFI compatible | Gen 4&5 |
295-112508 295-112508K |
283 | 290 | 223 | 230 | .566 | .575 | 114° | |
| Gen 6 |
295-012508 295-012508K |
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| Hydraulic Roller - this is an upgrade to a HP 500 cam providing maximum torque and horsepower from a long riser wet perf. exhaust | Gen 4&5 |
295-112008 295-112008K |
286 | 294 | 226 | 234 | .591 | .601 | 112° | |
| Gen 6 |
295-012008 295-012008K |
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| Hydraulic Roller - great supercharger cam designed for 540 and larger engines, requires dry offshore style exhaust | Gen 4&5 |
295-113008 295-113008K |
318 | 329 | 252 | 262 | .612 | .612 | 114° | |
| Gen 6 |
295-013008 295-013008K |
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| Hydraulic Roller - now we're talking large supercharger, 10 lbs. of boost, 540 to 650 C.I., capable of making big HP and still idle. | Gen 4&5 |
295-114008 295-114008K |
318 | 329 | 256 | 264 | .657 | .612 | 114° | |
| Gen 6 |
295-014008 295-014008K |
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| FORD 460 - XTREME
MARINE Note: " CL" Indicates Cam & Lifter Kit Part Number |
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| Hydraulic - strong low end and mid-range torque, good idle, 1000-5200 RPM |
295-342324 295-342324CL |
262 | 268 | 218 | 224 | .505 | .515 | 112° | ||
| Hydraulic - good mid-range and throttle response, good for small blower, noticeable idle, 1600-5800 RPM |
295-342364 295-342364CL |
270 | 286 | 226 | 236 | .544 | .547 | 112° | ||
| Hydraulic - good for jets with A impeller, needs improved manifolds, likes headers, 2000-6200 RPM |
295-342415 295-342415CL |
278 | 292 | 234 | 244 | .564 | .566 | 112° | ||
| Hydraulic - jet with A impeller. ski and performance use, 2200-6500 RPM |
295-342455 295-342455CL |
288 | 304 | 244 | 254 | .570 | .575 | 112° | ||
| Hydraulic - jet with A-B impeller, bracket race and performance use, 2200-6500 RPM |
295-342545 295-342545CL |
298 | 316 | 254 | 264 | .575 | .578 | 112° | ||
|
Oldsmobile 260-455 -
XTREME MARINE Note: " CL" Indicates Cam & Lifter Kit Part Number |
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| Hydraulic - Best cam for economy and improved power. Skiing and pleasure boating. |
295-422294 295-422294CL |
268 | 268 | 218 | 218 | .456 | .456 | 110° | ||
| Hydraulic - Great cam for 455 jet boat with A or B impeller. Performance and skiing. |
295-422314 295-422314CL |
280 | 280 | 230 | 230 | .490 | .490 | 110° | ||
| Hydraulic - Performance cam for jet boat with B impeller, river or bracket racing |
295-422364 295-422364CL |
292 | 292 | 244 | 244 | .518 | .518 | 110° | ||
