Engines and Components
Circle Track Engine Parts: Camshafts, Blocks & Accessories for Late Models at JJ Motorsports
Power up your circle track engine with premium components from JJ Motorsports. Our selection includes serpentine drive kits, pulley systems, valve covers, engine blocks, camshafts, and more for maximum horsepower, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with Small Block Chevy (SBC), LS-series, and other racing engines, these high-quality parts ensure reliable operation under intense track conditions.
Shop trusted brands like Jones Racing, Allstar Performance, Chevrolet Performance, and Howards Racing Components. Explore related categories such as circle track drivetrain for transmission upgrades or circle track chassis components for frame enhancements.
Top Circle Track Engine Products
- Jones Racing Serpentine Drive Kit 1020-S – New serpentine drive kit designed for efficient accessory drive in racing engines, weighing 3.61 lbs for lightweight performance.
- Allstar Performance 1:1 Pulley Kit Head Mount PS ALL31082 – Billet aluminum polished pulley kit with 1:1 ratio and 2-groove V-belt, includes crank and water pump pulleys and belts for Small Block Chevy engines with head-mount power steering.
- Allstar Performance Valve Covers SBC Steel Black w/Tubes ALL26147 – Durable steel valve covers in black finish with tubes, designed for Small Block Chevy engines, weighing 5.95 lbs for reliable sealing and style.
- Chevrolet Performance LSX Cast Iron Block - 4.065 Bore Finished 19417352 – Bare cast iron engine block with 4.065 in bore, 9.240 deck height, 6-bolt mains and heads, orange powdercoat finish, compatible with Gen III/IV LS components, supporting up to 4.250 in stroke and 454 cu. in. displacement.
- SBC Solid Roller Cam 111013-10 – High-performance solid roller camshaft from Howards Racing Components for Small Block Chevy engines, weighing 8.70 lbs, ideal for aggressive racing applications.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
Piston Ring Set 4.060 1/16 1/16 3/16 SEAR8902-60
SEALED POWER
MSRP: $103.99Now: $98.79Was: $103.99Piston Ring Set 4.060 1/16 1/16 3/16Piston Rings - Speed Pro - Claimer Series - 4.060 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Moly - 8 Cylinder - KitSEAR8902-60- SKU:
- SEAR8902-60
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- R890260
MSRP: $103.99Now: $98.79Was: $103.99 -
On Sale
Piston Ring Set 4.040 1/16 1/16 3/16 SEAR8902-40
SEALED POWER
MSRP: $109.99Now: $104.49Was: $109.99Piston Ring Set 4.040 1/16 1/16 3/16Piston Rings - Speed Pro - Claimer Series - 4.040 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Moly - 8 Cylinder - KitSEAR8902-40- SKU:
- SEAR8902-40
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- R890240
MSRP: $109.99Now: $104.49Was: $109.99 -
On Sale
Piston Ring Set 4.030 1/16 1/16 3/16 SEAR8902-30
SEALED POWER
MSRP: $109.99Now: $104.49Was: $109.99Piston Ring Set 4.030 1/16 1/16 3/16Piston Rings - Speed Pro - Claimer Series - 4.030 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Moly - 8 Cylinder - KitSEAR8902-30- SKU:
- SEAR8902-30
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MFG Part #:
- R890230
MSRP: $109.99Now: $104.49Was: $109.99 -
On Sale
Piston Ring Set 4.155 1/16 1/16 3/16 R837530
SEALED POWER
MSRP: $111.99Now: $106.39Was: $111.99Piston Ring Set 4.155 1/16 1/16 3/16Piston RingsSpeed ProClaimer Series4.155 in Bore1/16 x 1/16 x 3/16 in ThickStandard TensionMoly8 CylinderKitSEAR8375-30- SKU:
- SEAR8375-30
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MFG Part #:
- R837530
MSRP: $111.99Now: $106.39Was: $111.99 -
On Sale
Piston Ring Set 4.030 1/16 1/16 3/16 R690230
SEALED POWER
MSRP: $84.99Now: $80.74Was: $84.99Piston Ring Set 4.030 1/16 1/16 3/16Piston RingsSpeed ProClaimer Series4.030 in Bore1/16 x 1/16 x 3/16 in ThickStandard TensionCast8 CylinderKitSEAR6902-30- SKU:
- SEAR6902-30
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MFG Part #:
- R690230
MSRP: $84.99Now: $80.74Was: $84.99Qty in Cart: 0Quantity:Price:MSRP: $84.99Now: $80.74Was: $84.99Subtotal: -
On Sale
Piston Ring Set 4.185 5/64 5/64 3/16 SEAR5879-65
SEALED POWER
MSRP: $168.99Now: $160.54Was: $168.99Piston Ring Set 4.185 5/64 5/64 3/16Piston Rings - Speed Pro - 4.185 in Bore - File Fit - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR5879-65- SKU:
- SEAR5879-65
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- R587965
MSRP: $168.99Now: $160.54Was: $168.99 -
On Sale
Piston Ring Set 4.125 5/64 5/64 3/16 SEAR5879-5
SEALED POWER
MSRP: $168.99Now: $160.54Was: $168.99Piston Ring Set 4.125 5/64 5/64 3/16Piston Rings - Speed Pro - 4.125 in Bore - File Fit - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR5879-5- SKU:
- SEAR5879-5
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- R58795
MSRP: $168.99Now: $160.54Was: $168.99 -
On Sale
Piston Ring Set 4.155 5/64 5/64 3/16 SEAR5879-35
SEALED POWER
MSRP: $155.99Now: $148.19Was: $155.99Piston Ring Set 4.155 5/64 5/64 3/16Piston Rings - Speed Pro - 4.155 in Bore - File Fit - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR5879-35- SKU:
- SEAR5879-35
- Availability:
- Ships Same Business Day
- Weight:
- 1.21 LBS
- MFG Part #:
- R587935
MSRP: $155.99Now: $148.19Was: $155.99 -
On Sale
Piston Ring Set 4.165 1/16 1/16 3/16 SEAR10375-40
SEALED POWER
MSRP: $136.99Now: $130.14Was: $136.99Piston Ring Set 4.165 1/16 1/16 3/16Piston Rings - Speed Pro - 4.165 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10375-40- SKU:
- SEAR10375-40
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- R1037540
MSRP: $136.99Now: $130.14Was: $136.99 -
On Sale
Piston Ring Set 4.155 1/16 1/16 3/16 SEAR10375-30
SEALED POWER
MSRP: $122.99Now: $116.84Was: $122.99Piston Ring Set 4.155 1/16 1/16 3/16Piston Rings - Speed Pro - 4.155 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10375-30- SKU:
- SEAR10375-30
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- R1037530
MSRP: $122.99Now: $116.84Was: $122.99 -
On Sale
Piston Ring Set 4.155 5/64 5/64 3/16 SEAR10374-30
SEALED POWER
MSRP: $146.99Now: $139.64Was: $146.99Piston Ring Set 4.155 5/64 5/64 3/16Piston Rings - Speed Pro - 4.155 in Bore - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10374-30- SKU:
- SEAR10374-30
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- MFG Part #:
- R1037430
MSRP: $146.99Now: $139.64Was: $146.99 -
On Sale
Piston Ring Set 4.185 1/16 1/16 3/16 SEAR10248-65
SEALED POWER
MSRP: $162.99Now: $154.84Was: $162.99Piston Ring Set 4.185 1/16 1/16 3/16Piston Rings - Speed Pro - 4.185 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10248-65- SKU:
- SEAR10248-65
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- R1024865
MSRP: $162.99Now: $154.84Was: $162.99 -
On Sale
Piston Ring Set 4.125 1/16 1/16 3/16 SEAR10248-5
SEALED POWER
MSRP: $149.99Now: $142.49Was: $149.99Piston Ring Set 4.125 1/16 1/16 3/16Piston Rings - Speed Pro - 4.125 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10248-5- SKU:
- SEAR10248-5
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MFG Part #:
- R102485
MSRP: $149.99Now: $142.49Was: $149.99 -
On Sale
Piston Ring Set 4.165 1/16 1/16 3/16 SEAR10248-45
SEALED POWER
MSRP: $162.99Now: $154.84Was: $162.99Piston Ring Set 4.165 1/16 1/16 3/16Piston Rings - Speed Pro - 4.165 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10248-45- SKU:
- SEAR10248-45
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MFG Part #:
- R1024845
MSRP: $162.99Now: $154.84Was: $162.99 -
On Sale
Piston Ring Set 4.155 1/16 1/16 3/16 SEAR10248-35
SEALED POWER
MSRP: $162.99Now: $154.84Was: $162.99Piston Ring Set 4.155 1/16 1/16 3/16Piston Rings - Speed Pro - 4.155 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10248-35- SKU:
- SEAR10248-35
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- MFG Part #:
- R1024835
MSRP: $162.99Now: $154.84Was: $162.99 -
On Sale
Piston Ring Set 4.145 1/16 1/16 3/16 SEAR10248-25
SEALED POWER
MSRP: $164.99Now: $156.74Was: $164.99Piston Ring Set 4.145 1/16 1/16 3/16Piston Rings - Speed Pro - 4.145 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - KitSEAR10248-25- SKU:
- SEAR10248-25
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- MFG Part #:
- R1024825
MSRP: $164.99Now: $156.74Was: $164.99 -
On Sale
Forged Piston SEAL2482F40
SEALED POWER
MSRP: $447.99Now: $425.59Was: $447.99Forged Piston Piston - Speed Pro - Forged - 4.040 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 2.7 cc - Coated Skirt - Small Block Ford - Set of 8SEAL2482F40- SKU:
- SEAL2482F40
- Availability:
- Ships Same Business Day
- Weight:
- 15.08 LBS
- MFG Part #:
- L2482F40
MSRP: $447.99Now: $425.59Was: $447.99 -
On Sale
Forged Piston L2482F30
SEALED POWER
MSRP: $353.99Now: $336.29Was: $353.99Forged Piston PistonSpeed ProForged4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 2.7 ccCoated SkirtSmall Block FordSet of 8SEAL2482F30- SKU:
- SEAL2482F30
- Availability:
- Ships Same Business Day
- Weight:
- 14.96 LBS
- MFG Part #:
- L2482F30
MSRP: $353.99Now: $336.29Was: $353.99 -
On Sale
Forged Piston SEAL2256F60
SEALED POWER
MSRP: $383.99Now: $364.79Was: $383.99Forged Piston Piston - Speed Pro - Forged - 4.060 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 6.1 cc - Coated Skirt - Small Block Chevy - Set of 8SEAL2256F60- SKU:
- SEAL2256F60
- Availability:
- Ships Same Business Day
- Weight:
- 14.97 LBS
- MFG Part #:
- L2256F60
MSRP: $383.99Now: $364.79Was: $383.99 -
On Sale
Forged Piston SEAL2256F40
SEALED POWER
MSRP: $382.99Now: $363.84Was: $382.99Forged Piston Piston - Speed Pro - Forged - 4.040 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 6.1 cc - Coated Skirt - Small Block Chevy - Set of 8SEAL2256F40- SKU:
- SEAL2256F40
- Availability:
- Ships Same Business Day
- Weight:
- 14.93 LBS
- MFG Part #:
- L2256F40
MSRP: $382.99Now: $363.84Was: $382.99
