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Competition Cams & Lifter Kits:

We have 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 CAM KIT

DURATION IN DEGREES LIFT WITH ROCKER ARMS
BBC 1.7 | SBC 1.5 | OLDS 1.6 | Ford 1.73
LOBE SEP. ANGLE
ADVERTISED @ .050"
IN. EX. IN. EX. IN. EX. IN. EX.
V8 Chevrolet 262-400 CID Up to 1986 XTREME MARINE CONVENTIONAL HYDRAULIC FLAT TAPPET
Note: " CL" Indicates Cam & Lifter Kit Part Number
Hydraulic - good inboard/outboard pleasure, ski and economy, good idle, 1600-5000 RPM HYD HYD

295-122323

295-122323CL 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°
V8 Chevrolet 262-400 CID Up to 1986
XTREME MARINE Retro Fit Hydraulic Roller
Note: " K" Indicates Cam & Lifter Kit Part Number
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°
V8 Chevrolet 262-400 CID
XTREME MARINE 1987 to present
Note: " K" Indicates Cam & Lifter Kit Part Number
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°
LS CHEVY - XTREME MARINE
Note: "K" Indicates Cam & Lifter Kit Part Number
Hydraulic Roller - Perfect for a customer seeking strong performance while using a exhaust Diverter / silent choice style exhaust system.   295-541008 295-541008K
295-541108K
263 271 213 221 .590 .597 114°
Hydraulic Roller - This is an excellent performance camshaft for use with wet exhaust system LS EFI performance engines, strong power gains while EFI friendly. 295-542008 295-542008K
295-542108K
269 277 219 227 .595 .602 114°
Hydraulic Roller - This is a serious performance cam while providing maximum torque and horsepower from a HP long SS riser wet perf. exhaust system 295-543008 295-543008K
295-543108K
275 283 225 233 .600 .607 114°
Hydraulic Roller - High Performance cam for bigger cubic inch LS engines seeking a broad power band in a higher rpm range Dry-Tailpipe exhaust recommended due to possible reversion concerns. 295-544008 295-544008K
295-544108K
281 289 231 239 .605 .612 114°
Chevrolet 396-502 CID
XTREME MARINE Gen 4&5 Conventional Hydraulic Flat Tappet
Note: " CL" Indicates Cam & Lifter Kit Part Number
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 278 292 234 244 .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.
Hydraulic Roller - good for jet, 1600-5400 RPM Gen 4&5 295-114458 295-114458K 270 276 218 224 .510 .510 112°
Gen 6 295-014458 295-014458K
Hydraulic Roller - 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
Hydraulic Roller - 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
Hydraulic Roller - 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
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.
Hydraulic Roller - perfect for a customer seeking Inboard/Outboard 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
Hydraulic Roller - this is an incredible camshaft for your inboard/outboard 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
Hydraulic Roller - this is an upgrade to a inboard/outboard HP 500 cam providing maximum torque and horsepower from a long riser wet perf. exhaust Gen 4&5 295-112008 295-112008K 271 279 224 232 .591 .601 112°
Gen 6 295-012008 295-012008K
Hydraulic Roller - Strong Performing cam for inboard/outboard 500 to 540 CID plus engines producing a broad power band
Gen 4&5 295-112758 295-112758K 286 294 236 244 .606 .617 112°
Gen 6 295-012758 295-012758K
Hydraulic Roller - Incredible Power gains for inboard/outboard 510 CID + naturally aspirated or supercharged with dry tailpipes. Incredible mid-range and top end performance.
Gen 4&5 295-112808 295-112808K 292 298 242 248 .624 .617 114°
Gen 6 295-012808 295-012808K
Hydraulic Roller - great supercharger cam designed for inboard/outboard 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
Hydraulic Roller - Inboard/Outboard. 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
FORD 460 - XTREME MARINE
Note: " CL" Indicates Cam & Lifter Kit Part Number
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
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°

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