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14 Results Found For "ratio"
Showing In Stock Items. Show All 15 Items.
Clearance
Summit Racing™ Pro SBC 4-7 Swap Camshafts
Summit Racing™ Pro SBC 4-7 Swap hydraulic flat tappet camshafts are American made and utilize ultra-modern lobe technology. The revised firing order increases power through better mixture distribution and smoother running through equalized crankshaft journal loading. These racing cams are available in Stage 1 through Stage 8 configurations. Order the model with specs recommended for your Chevy small block engine application.
( 14 )
$199.99
$169.50
Clearance
Summit Racing™ Pro BBC 4-7 Swap Hydraulic Roller Camshafts
Summit Racing™ Pro BBC 4-7 Swap hydraulic roller camshafts are offered in a dozen versions to cover street/towing, street/strip, and drag race applications. Each cam features a 4/7 firing order, requiring the re-routing of spark plug wires for 1-8-7-3-6-5-4-2. Cam button, a melonized or composite distributor gear, and billet compatible fuel pump pushrod are required. Choose your level of performance. Additional features and notes: * Designed for beehive or lighter 1.4 to 1.500 dual springs * Designed in 12 steps, intake closing point is most important to operating rpm * Bigger cams with increased overlap REQUIRE more open and free-flowing exhaust for maximum mid- and high-rpm power * Cam advance is ground-in, so install dot-to-dot * Although the advance may seem larger than normal, it's designed for maximum power under the curve * Track testing is recommended before altering cam advance
( 1 )
$349.99
$299.50
Clearance
Summit Racing™ Pro SBC Turbo Camshafts
Are you looking for a great made-in-America hydraulic roller cam for your small block Chevy? Summit Racing's™ new Pro SBC turbo camshafts are affordable and utilize the latest lobe design technology. Starting with American bearing steel billets, the cams are precision-machined on a modern CNC grinder with CBN diamond wheels for unmatched quality. They're designed with optimal valve events for turbocharging. With four levels and performance options to select from, Pro SBC camshafts will deliver just the idle characteristics you're looking for.
( 1 )
$279.99
$229.50
Clearance
Harland Sharp Original Roller Rockers
If you plan on adding performance to your street machine or building a serious racer, Harland Sharp Original Series roller rockers are recommended for you. Using the very latest manufacturing technology and only the very finest materials, the Original Series rockers incorporate race-proven enhancements, such as improved strength, performance, and lighter weight over conventional rocker arm designs. Don't settle for any old rocker arm--go with a true leader in roller rocker arm technology--Harland Sharp.
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$43.99
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$57.99
$24.50
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$29.50
Clearance
Crower Stud Mount Late Model Rocker Arms
Crower stud mount self-aligning rocker arms are available for late model small and big block Chevy, Dodge, Magnum trucks, and the V10 Viper. Features include: * Self-aligning roller tip to hold rocker in place * Emissions-legal certified ARB #D-410
( 6 )
$82.99
$51.50
Clearance
Dove Rocker Arms
Dove Manufacturing offers a variety of parts for high performance and racing equipment applications. These full roller aluminum rocker arms are available in different ratios and stud sizes (shaft mounting styles are also available). They're ideal replacements for a wide range of year/make and engine applications from the 1950s and up. Order the set (16) or kit recommended for your vehicle.
Not Yet Reviewed
$358.99
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$541.99
$270.50
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$379.50
Clearance
Namura Technologies Top-End Repair Kits
Top-end rebuilds can help to improve the performance of your ride, and Namura Technologies top-end repair kits will keep your ATV, UTV, or off-road motorcycle running in peak condition! They include everything you need: pistons, top-end gasket kit, and wrist pin bearings (where applicable) in one convenient, time-saving package. Namura kits are available for a wide variety of makes and models, with specific bore and compression ratio parts to service your specific vehicle. Choose to do your rebuild with repair kits from Namura Technologies—the people who make pistons with attitude!
( 2 )
$51.99
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$219.99
$37.50
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$176.50
Clearance
Howards Cams Billet Aluminum Rocker Arms
The unique full body design of these Howards Cams billet aluminum rocker arms offers less flex and will withstand 800-plus lbs. of spring pressure at over .800 in. lift. These rockers are 100 percent CNC-machined and are designed for more retainer and spring clearance than most other brands. They feature needle-bearing fulcrums and roller tips, centerless ground trunnions, centerless ground pins and rollers, and thick-walled adjusting nuts.
( 44 )
$36.99
$22.50
Clearance
Harland Sharp Heavy-Duty Roller Rockers
Don't trust your engine investment to just any no-name rocker manufacturer. Harland Sharp heavy-duty roller rockers are specifically designed for the heavy spring pressure and high-lift geometry of highly modified engines. They're also engineered with wider bodies, resulting in increased rocker strength and longevity. So, when your engine requires extra durability, use Harland Sharp heavy-duty roller rockers.
( 60 )
$1,289.99
$974.50
Clearance
PRW Pro Series Stainless Steel Rocker Arms
PRW Pro Series stainless steel rocker arms are manufactured from lightweight, premium quality 17-4ph stainless steel—a superior alloy high in nickel and chromium. This rigid, premium material provides outstanding fatigue resistance, and high-yield strength to help resist deflection. These rocker arms feature full-cage, friction-reducing needle bearings, and extra-large trunnions to spread out the load and reduce wear. Each rocker body is hand-polished, assembled, and carefully inspected to deliver the finest quality available to the racing and performance industry. Reduce your valvetrain mass with durable, lightweight PRW Pro Series stainless steel rocker arms. Order the set recommended for your specific vehicle and engine size. Features, items, and specs: * Wide assortment of ratios to suit almost any cam profile * Each set of 16 comes complete with PRW RockerLocs * Stud-mount design provides plenty of clearance for large diameter springs * CNC-machined pushrod cups * Heat-treated steel nose rollers and shafts resist severity of racing and minimize scrubbing
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$27.99
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$31.55
$19.50
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$22.50
Clearance
Total Seal Claimer Piston Rings
Total Seal's Claimer ring sets feature cast iron conventional top rings, gapless second rings, and Gold Power low-tension oil rings. They're ideal for dirt track applications with 11:1 or lower compression ratios.
Not Yet Reviewed
$256.14
$59.50
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$64.50
Clearance
JE Pistons Sport Compact/European Pistons
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import, and sport compact applications. Engineered, forged and machined, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. JE Pistons sport compact/European pistons are engineered for extreme applications, up to and including professional competition. In this environment, the higher compression ratios, highest boost, or heavy nitrous usage necessitate the higher tensile strength of 2618 aluminum alloy. Their domed or dished tops require no deburring or preparation and feature smooth-flowing radii for excellent flame travel. High-quality wrist pins, locks, and JE Pro Seal premium piston rings are included. JE Pistons' performance has been proven in victory lane time and time again. Available individually and in sets, equip your engine with the best in forged pistons. Features: * Designed specifically for each engine and use application to provide optimized performance durability * Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin * Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise * Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
Not Yet Reviewed
$196.99
$49.50
Clearance
Total Seal Classic Street and Race Piston Ring Sets
Total Seal Classic street and race piston ring sets are ideal for street and mild racing applications with 10.5:1 and lower compression ratios. Each set starts with Total Seal's cast iron conventional top rings, and features cast iron second rings and 3-piece standard-tension stainless steel oil rings. Order the Classic street and race piston set to meet your application needs.
( 1 )
$60.53
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$508.28
$19.50
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$127.50
Clearance
Summit Racing™ Pro Hemi Automotive Camshafts
Summit Racing™ Pro Hemi automotive camshafts are easy on the valvetrain and stable at high rpms. They work well with superchargers and nitrous, and will require springs, a tune, phaser limiter, and an MDS (multi-displacement system) delete. The smaller cams in this group have a noticeable lope and good power across the range, while the larger cams have a serious lope with strong top-end. Choose the one that best fits your purpose. Notes: * Pro Hemi automotive Stage 1 has a noticeable lope and works great in 5.7L as a daily driver. It makes good power through the range, and a tune and phaser limiter are required. A free flowing aftermarket exhaust is recommended. * Pro Hemi automotive Stage 2 has a mild lope and works great in a daily driver. It makes good power through the range, and a tune and phaser limiter are required. A free flowing aftermarket exhaust is recommended. * Pro Hemi automotive Stage 3 has a steady lope and is about the biggest cam to used in a daily driver. It makes great midrange and has good top end. It works with a factory converter, but a tune and phaser limiter are required, and free flowing aftermarket exhaust is recommended. * Pro Hemi automotive Stage 4 has a strong lope and works good in weekend hot rods. It makes great midrange and has very good top end. It is the biggest cam we recommend with a factory converter, and a tune and phaser limiter is required. A free flowing aftermarket exhaust is also recommended. * Pro Hemi automotive Stage 5 (or Stage 4 supercharged) camshafts provide a serious lope, great power in the mid-range, and a strong top-end. These cams require a tune, phaser limiter, an MDS (multi-displacement system) delete, and valve springs capable of .625 lift. We recommend a free flowing aftermarket exhaust and a 2800-3000 converter. Careful attention to piston-to-valve clearance is required. Fly cutting is generally not necessary. * Pro Hemi automotive Stage 6 (or Stage 5 supercharged) camshafts achieve the top stages in each of these groups, providing a serious lope, great power in the mid-range, and a strong top-end. Each of these special cams require a tune, a phaser limiter, an MDS (multi-displacement system) delete, and valve springs capable of .625 lift. We recommend a free flowing aftermarket exhaust and a 3000-3200 converter. Careful attention to piston-to-valve clearance is required. Fly cutting is generally not necessary.
( 2 )
$349.99
$299.50
